英语论文写作常用经典句型 E7/UsUV.
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Beginning [Ix6ArY
1. In this paper, we focus on the need for M
_<
|n
2. This paper proceeds as follow. J.XkdGQ
3. The structure of the paper is as follows. !QwB8yK@
4. In this paper, we shall first briefly introduce fuzzy sets and related u W,J5!
concepts vxPE=!|
5. To begin with we will provide a brief background on the Vwp>:'Pu
Introduction #9TL5-1y
1. This will be followed by a description of the fuzzy nature of the ;U4O` pZ
problem and a detailed presentation of how the required X[?fU&
membership functions are defined. _qPKdGoM
2. Details on xx and xx are discussed in later sections. 1;~sNSTo
3. In the next section, after a statement of the basic problem, various <7`k[~)VB
situations involving possibility knowledge are investigated: first, an m&=Dy5
entirely possibility model is proposed; then the cases of a fuzzy OiAuL:D
service time with stochastic arrivals and non-fuzzy service rule is ,K}"o~z
studied; lastly, fuzzy service rule are considered. O8#]7\)
Review 3_wR2AU~
1. This review is followed by an introduction. SVVE b6&
2. A brief summary of some of the relevant concepts in xxx and xxx is G!VEV3zT
presented in Section 2. #Db^*
3. In the next section, a brief review of the .... is given. m#W XZr
4. In the next section, a short review of ... is given with special regard 9 D.wW
to ... 1ik.|T<f0
5. Section 2 reviews relevant research related to xx. jl}9R]Y_2
6. Section 1.1 briefly surveys the motivation for a methodology of lPz`?Hn
action, while 1.2 looks at the difficulties posed by the complexity of O6$,J12l
systems and outlines the need for development of possibility el$@^Wy&$
methods. =g6~2p=H
Body b&E"r*i|
1. Section 1 defines the notion of robustness, and argues for its sE]z.Po=
mW)kWuOO
importance. B7qi|Fw
2. Section 1 devoted to the basic aspects of the FLC decision-making ~b*|V
logic. XjzGtZ#6
3. Section 2 gives the background of the problem which includes xxx }Uj-R3]}K
4. Section 2 discusses some problems with and approaches to, a"4X7
D+
natural language understanding. 30w(uF
5. Section 2 explains how flexibility which often ... can be expressed oJ5n*[qUI
in terms of fuzzy time-window {7X9P<<L7
6. Section 3 discusses the aspects of fuzzy set theory that are used in "<egm^Yq
the ... u*\QVOF
7. Section 3 describes the system itself in a general way, including vfT
@;`
the ….. and also discusses how to evaluate system performance. ^Q0=Ggh
8. Section 3 describes a new measure of xx. ;x_T*} CH
9. Section 3 demonstrates the use of fuzzy possibility theory in the p;zT #%
analysis of xx. g]MgT-C|
10. Section 3 is a fine description of fuzzy formulation of human @QpL*F
decision. Iza#v0
11. Section 3 is developed to the modeling and processing of fuzzy ;)f,A)(Z
decision rules o@$pyU8
12. The main idea of the FLC is described in Section 3 while Section 4 aY,'^S
describes the xx strategies. R SWw4}
13. Section 3 and 4 show experimental studies for verifying the @Z
""|H"0
proposed model. `}
'o2oZnG
14. Section 4 discusses a previous fuzzy set-based approach to cost
nYC S %\"
variance investigation. ^5!"[RB\
15. Section 4 gives a specific example of xxx. +4IaX1.
16. Section 4 is the experimental study to make a fuzzy model of /sB,)>X
memory process. 5@bm
m]
17. Section 4 contains a discussion of the implication of the results of `ST;";7!
Section 2 and 3.
@[$q1Nm
18. Section 4 applies this fuzzy measure to the analysis of xx and ^D
{v L
illustrate its use on experimental data. ^!(tc=sr
19. Section 5 presents the primary results of the paper: a fuzzy set .'1]2/ad
model .. n5#9o},oK
do< N+iK
20. Section 5 contains some conclusions plus some ideas for further UPuG&A#VV
work. _(@ezX.p
21. Section 6 illustrates the model with an example. `g}en%5b\
22. Various ways of justification and the reasons for their choice are @A%\;oo
discussed very briefly in Section 2. 3SF J8
23. In Section 2 are presented the block diagram expression of a 3=lQZi<]%
whole model p!LaR.8]
of human DM system _cc9+o
24. In Section 2 we shall list a collection of basic assumptions which A LR`z~1
a ... scheme must satisfy. _ba.oIc
25. In Section 2 of this paper, we present representation and v kW2&
uniqueness theorems for the fundamental measurement of fuzziness n#5 pd;!n
when the domain of discourse is order-dense. 2C&l\16
26. In Section 3, we describe the preliminary results of an empirical K./L'Me
study ^;mGOjS
currently in progress to verify the measurement model and to q9m-d-!)
construct membership functions.
u6p
nO
27. In Section 5 is analyzed the inference process through the two 1d~cR
kinds of inference experiments... l$!g#?w
This Section nc>Ae`"(
1. In this section, the characteristics and environment under which kD4J{\
MRP is designed are described. [YQ` `
2. We will provide in this section basic terminologies and notations -*"Q-GO
which are necessary for the understanding of subsequent results. PqwoZo0j
Next Section ~]lVixr9
2. The next section describes the mathematics that goes into the E\=23[0
computer implementation of such fuzzy logic statements. {
BDUl3T
3. However, it is cumbersome for this purpose and in practical Z<Ke/Xi
applications the formulae were rearranged and simplified as MF~Tr0tOC
discussed in the next section. wWUt44:0O
4. The three components will be described in the next two section, !T8h+3I
and an example of xx analysis of a computer information system will j.y
8H
C{Er%
then illustrate their use. g_t1(g*s
5. We can interpret the results of Experiments I and II as in the x*z$4)RP
following sections. Sg}]5Mn`
6. The next section summarizes the method in a from that is useful i\u m;\
for arguments based on xx k'$UA$2d
Summary 9zK5Y+!
1. This paper concludes with a discussion of future research X`FFI6pb
consideration in section 5. J+6bp0RIh
2. Section 5 summarizes the results of this investigation. jZvQMW
3. Section 5 gives the conclusions and future directions of research. P~"
`Og+
4. Section 7 provides a summary and a discussion of some extensions ~%o?J"y
of the paper. c|^#v8x^/
5. Finally, conclusions and future work are summarized n9Xs sl0
6. The basic questions posed above are then discussed and F(Iq8DV
conclusions are drawn. nXuoRZ
7. Section 7 is the conclusion of the paper. O*7Gl G
Chapter 0. Abstract zS##YR
1. A basic problem in the design of xx is presented by the choice of a g0BJj=
xx rate for the measurement of experimental variables. }6V` U9^g
2. This paper examines a new measure of xx in xx based on fuzzy a D,(mw-7r
mathematics which overcomes the difficulties found in other xx pK~K>8\
measures. <U ?_-0
3. This paper describes a system for the analysis of the xx. H,!3s<1
4. The method involves the construction of xx from fuzzy relations. 5-ju5z?=
5. The procedure is useful in analyzing how groups reach a decision. .v3~2r*&
6. The technique used is to employ a newly developed and versatile okO^/"
xx algorithm. loLN
~6
7. The usefulness of xx is also considered. noBGP/Av=:
8. A brief methodology used in xx is discussed. z5G$'
9. The analysis is useful in xx and xx problem. q!
+?
10. A model is developed for a xx analysis using fuzzy matrices. +h$)l/>:
11. Algorithms to combine these estimates and produce a xx are 2Rp5 E^s
d|9B3I*I
presented and justified. EfR3$sp
12. The use of the method is discussed and an example is given. ;@$B{/Q
13. Results of an experimental applications of this xx analysis il \q{Y
o
procedure are given to illustrate the proposed technique. "@JSF
14. This paper analyses problems in #O<2wMb2<
15. This paper outlines the functions carried out by ... qe!\ oh
16. This paper includes an illustration of the ... ,h'q}5
17. This paper provides an overview and information useful for V(%L}0[]
approaching "YUyM5X
18. Emphasis is placed on the construction of a criterion function by HrUQ X4
which the xx in achieving a hierarchical system of objectives are S0_#h)
evaluated. 8\BCC1K
19. The main emphasis is placed on the problem of xx '[ZRWwhr
20. Our proposed model is verified through experimental study. btC0w^5
21. The experimental results reveal interesting examples of fuzzy R0R Xw
phases of: xx, xx GT[,[l
22. The compatibility of a project in terms of cost, and xx are likewise ,7mR
b-*p
represented by linguistic variables. &^C<J
23. A didactic example is included to illustrate the computational OIK14D:
procedure k\T,CZ<
Chapter 1. Introduction 'sCj\N
Time u.wm;e
K[
1. Over the course of the past 30 years, .. has emerged form intuitive a}Db9 =
2. Technological revolutions have recently hit the industrial world %ec9`0^4S
3. The advent of ... systems for has had a significant impact on the S~QL
x
4. The development of ... is explored }s_'q~R
5. During the past decade, the theory of fuzzy sets has developed in a S4j` =<T,
variety of directions 3@ a
6.The concept of xx was investigated quite intensively in recent years WxE4r
7. There has been a turning point in ... methodology in accordance @(Mg>.P
with the advent of ... r7z8ICX'q
8. A major concern in ... today is to continue to improve... lP>}9^7I!
9. A xx is a latecomer in the part representation arena. C3
n_'O
^`Tns6u>
10. At the time of this writing, there is still no standard way of xx )$#]h]ac
11. Although a lot of effort is being spent on improving these Ih*}1D)7
weaknesses, the efficient and effective method has yet to be |=C&JA
developed. 4Gl0h'!(
12. The pioneer work can be traced to xx [1965]. j rX.e
13. To date, none of the methods developed is perfect and all are far sd;J(<Ofh
from ready to be used in commercial systems. Ys@M1o
Objective / Goal / Purpose `T H0*:aI
1. The purpose of the inference engine can be outlined as follows: S^,1N4
2. The ultimate goal of the xx system is to allow the non-experts to j9zK=eG
utilize the existing knowledge in the area of manual handling of loads, p`//
*gl
and to provide intelligent, computer-aided instruction for xxx.
;[*jLi,uc
3. The paper concerns the development of a xx }]1=?:tX%
4. The scope of this research lies in B3V:? #
5. The main theme of the paper is the application of rule-based ]I
9Hbw
decision making. 6iwIEb
6. These objectives are to be met with such thoroughness and 6Q<^,`/T
confidence as to permit ... dmHpF\P5f
7. The objectives of the ... operations study are as follows: 4q"x|}a
8. The primary purpose/consideration/objective of N zY}-:{
9. The ultimate goal of this concept is to provide &
61;v@
10. The main objective of such a ... system is to Ue:'55
11. The aim of this paper is to provide methods to construct such K!/"&RjW.
probability distribution. oQgd]|v
12. In order to achieve these objectives, an xx must meet the Sa!r ,l
following requirements: pk
jf5DWp
13. In order to take advantage of their similarity `UFRv
14. more research is still required before final goal of ... can be 3$Ew55
completed -TKS`,#
15. In this trial, the objective is to generate... IYm~pXg^0
16. for the sake of concentrating on ... research issues k0IW,z%
17. A major goal of this report is to extend the utilization of a recently #3@ Du(_n
developed procedure for the xx. ahi lp$v
jEj#|w
18. For an illustrative purpose, four well-known OR problems are {9sA'5
studied in presence of fuzzy data: xx. `oP<mLxle
19. A major thrust of the paper is to discuss approaches and Ad)Po
strategies for structuring ..methods m,nZrap
20. This illustration points out the need to specify
|cpBoU
21. The ultimate goal is both descriptive and prescriptive. VuqN)CE^Uq
22. Chapter 2. Literature Review >$,A [|R
23. A wealth of information is to be found in the statistics literature, `YTagUq7
for example, regarding xx y+f@8]
24. A considerable amount of research has been done .. during the 8Xpf|?.
last decade 4 4bTx y
25. A great number of studies report on the treatment of OjxaA[$
uncertainties associated with xx.
sg"J00
26. There is considerable amount of literature on planning }ge~Nu>w
27. However, these studies do not provide much attention to WAPN,WuW
uncertainty in xx. (_G&S~@.
28. Since then, the subject has been extensively explored and it is K#bd b
still under investigation as well in methodological aspects as in }gL:"C"~
concrete applications. bJc<FL<E
29. Many research studies have been carried out on this topic. WP, Ll\K)7
30. Problem of xx draws recently more and more attention of system
4\'1j|nS[
analysis. PW(
4-H
31. Attempts to resolve this dilemma have resulted in the E$5)]<p! <
development of A4RA5N/}
32. Many complex processes unfortunately, do not yield to this Kx.'^y
design procedure and have, therefore, not yet been automated. pME17 af
33. Most of the methods developed so far are deterministic and /or :^7P. lhK
probabilistic in nature. %lVc7L2]
34. The central issue in all these studies is to O~t]:p9_
35. The problem of xx has been studied by other investigators, Rh!B4oB4
however, these studies have been based upon classical statistical *a_U2}N
approaches. ]IbX<
36. Applied ... techniques to 3WdYDv]N}L
37. Characterized the ... system as +<5q8{]Pk
"`P/j+-rt
38. Developed an algorithm to @tQu3Rq@
39. Developed a system called ... which NQQ+l0txI
40. Uses an iterative algorithm to deduce 9Q{-4yF9k
41. Emphasized the need to p=F!)TnJN
42. Identifies six key issues surrounding high technology (Fc\*Vn
43. A comprehensive study of the... has been undertaken \Fd6Q_
44. Much work has been reported recently in these filed !cP2,l'f
45. Proposed/Presented/State that/Described/Illustrated/ rG7E[kii
Indicated/Has shown / showed/Address/Highlights p,_,o3@~
46. Point out that the problem of vW`Dy8`06
47. A study on ...was done / developed by [] ,;3#}OGg
48. Previous work, such as [] and [], deal only with S0,q@LV
49. The approach taken by [] is K%NNw7\A
50. The system developed by [] consists 1'.SHY|
51. A paper relevant to this research was published by [] U^qQ((ek
52. []'s model requires consideration of... r\#_b4-v3h
53. []' model draws attention to evolution in human development OIi8x?
.~]
54. []'s model focuses on... [bE-Uu7q5P
55. Little research has been conducted in applying ... to =;9
%Q{
56. The published information that is relevant to this research... E?\&OeAkO
57. This study further shows that t:MeSO
58. Their work is based on the principle of 4:umD*d 3E
59. More history of ... can be found in xx et al. [1979]. 0tA
~Y26
60. Studies have been completed to established d|I_SI
1
61. The ...studies indicated that O}#Ic$38
62. Though application of xx in the filed of xx has proliferated in /l.:GH36f
recent years, effort in analyzing xx, especially xx, is lacking. DIs
K+1
Problem / Issue / Question =sm<B^yj
63. Unfortunately, real-world engineering problems such as *R'r=C`
manufacturing planning do not fit well with this narrowly defined ?<F=*eS
model. They tend to span broad activities and require consideration w\V1pu^6@
of multiple aspects. T]er_n
64. Remedy / solve / alleviate these problems ni2GZ<1j
67. ... is a difficult problem, yet to be adequately resolved 'iY~F 0U
vl`Qz"Xy
68. Two major problems have yet to be addressed /Dd.C<F
69. An unanswered question !+UU[uM
70. This problem in essence involves using x to obtain a solution. }l>\D~:M
71. An additional research issue to be tackled is .... ='W=
72. Some important issues in developing a ... system are discussed LoUHStt
73. The three prime issues can be summarized: |~K
5]
74. The situation leads to the problem of how to determine the ... x5w5xw
75. There have been many attempts to 2Kkm-#p7
76. It is expected to be serious barrier to GyC/39<P
77. It offers a simple solution in a limited domain for a complex Wtwo1pp
problem. 8AjQPDn+
1. There are several ways to get around this problem. AX%N:)_$|
2. As difficult as it seems to be, xx is by no means new. {4n
3. The problem is to recognize xx from a design representation. *5QN:
4. A xx problem can trace its roots to xx. FNN7[ku!
5. xx [1987] used a heuristic approach to simplify the complexity of > `1K0?_
the problem. <~ Dq8If
6. Several problems are associated with them. U#iGR5&^3
7. Although some progress has been made in this area, at least two I[6ft_*
major obstacles must be overcome before a fully automated system 3jqV/w[-
can be realized. e**<et.
8. Most problems in practice are complicated \N%L-%^
9. More problem surface here. aMJW__,
10. Hamper effort toward a xx system XtZeT~/7RT
11. In order to overcome the limitations due to incomplete and Yu}[RXC(=
imprecise xx knowledge, a xx program has been developed, which j].=,M<dxE
bases its knowledge upon the statistical analysis of a sample [t6Y,yo&h4
population of xx [Ot<8)Jm
12. The above difficulties are real challenges faced by researchers `t>A~.f
attempting to develop zNO,vR[\
13. This type of mapping raises no controversy to the issue of +h)1NX;o1
membership function determination. y]okOEV0
14. However, attempts to quantify the xx have met both theoretical 1)H;}%[
and empirical problems. xV0:K=
h+!@`c>)Y
15. It has become apparent that in order to apply this new B/_~j_n$m
methodological framework to real-world problems and data, we have 35H.ZXQp-
to pay attention to the problems of xx and xx. RhWW61!"
Chapter 3. Proposed methodology nh]HEG0CZJ
Assumption &X6hOc:``\
1. In the case when the assumption of a xx seems to be too ydTd.`
restrictive or inadequate, the formulation with Fuzzy termination $!vK#8-&{
time, i.e. given by a fuzzy set in the space of control stages, may be 6VtN4c.Q
applied. ^&lkh@Y1q
2. We assume here the fuzzy constraints to be state-dependent, and 3>6rO4,
the fuzzy goal to be the same for all the control states, xx, which k#n%at.g
stems from the problem's nature. I_Omv{&u
3. An approach to the solution of this problem is presented under the [NK&s:wMk
assumption that the sampling rate Decision can be made prior to the Db*&'32W
execution of the experiment, as opposed to being made while the X>i{288M3
experiment is in progress. A[`2Mnj
4. Another assumption made above is that there are precise odds at &
h\!#X0
which the expert is indifferent. K8W99:v
5. Main simplifying assumptions are: *LEI@
6. This, in our view, is a questionable assumption. TSH'OW !b
Outline / Structure / Module */OKg;IMi
1. An outline of the research WIN3*z7oW
2. Information is incorporated within the scheme h!7Lvh`o
3. Is built into ... structure B dP+>Ij
4. A nice modular structure. nE56A#,Q,
5. The principles of ... are applied as modularized criteria 4+Jf!ovS=
Classification V0G[f}tm'
1. A xx system comprises three main components: Y(Y#H$w
2. Must decompose the original .. into a set of .. |_hIl(6F5N
3. Consists of the following steps: <b?$-Rx
4. This is summarized in the following steps: =imJ0V~RW
* ).Y
U[i
5. Can be broadly classified into the following areas: J$d']%Dwb
6. Can be characterized by its function of effectively processing the 4Ik'beZqK
7. Can allow further breadth of application of ...into more pwRCfR)" X
8. The following steps should be followed o?^Rw*u0/
9. xx can be classified by a different ways. fRHzY?n9;
10. Based on the xx, one may classify xx into the following: SX&Q5:
11. This catalog may change due to wear, breakage, and purchasing. J06D_'{
System TiR00#b
1. Unlike many conventional program, expert systems do not OlgM7Vrl
usually deal with problem for which there is clearly a right or wrong ^v+p@k
answer. r5y*SoD!
2. The system consists of both ... and ... 5?0~7^de
3. The system has a hierarchical modular architecture organized on {q^UWv?1
three levels. _M^^0kf
4. expert system domains are area of expertise \uO^wJ}
5. To develop a xx system for xx, the following factors must be h^,av^lg^
considered: *m2?fP\
6. The system has been developed / designed to determine |7Qe
{
7. The system has proven to be able to c7.M\f P
8. The domain in which an expert system operates is a particular < FY%QB)h
domain XM#nb$gl
9. The system comprises a ... with FN
w]DJ]
10. The system is [feature-oriented ] / based on the ... technique yF1p^>*ak&
11. The system environment must be relatively stable z`p9vlS[
12. The system is utilized to generate, load, store, update and q,> C^p|2b
retrieve ... 5tk7H2K^<
13. The development of a xx system has two stages: xx stage and xx (g&@E(@]?
stage. <\eRa{ef
14. The most essential part of .. system is the ... |9p0"#4u
15. The successful developments in ESs have made them an FlUO3rc|
important tool in the development of *aq"c9
16. An automated system was developed for UFC^lv
17. In this case, the system can be considered to be generative. x&"P^gh)
5m;BL+>YE
18. An interactive automatic ... system sk*vmxClY
19. A …. is commonly thought of as a truly integrated .. system T%;NW|mH&
20. Should be capable of being generated from a ... system jp1e3 Cg
21. xx is an important part of the integrated system. Z$B%V
t
22. The model consists of four rule bases, each of which addresses a =LgMG^@mu
separate problem in the hierarchy of scheduling decision. &aa3BgxyE
23. The rule bases are linked to each other in a chin-like manner in )."dqq^ q
the sense that the consequent of one rule base constitutes a part of r8!pk~R5]
the antecedent of the next rule base. %;|dEY
24. The rule base consists of all possible combinations of the _^`V0>Mh:
linguistic terms associated with the linguistic variable of the rQJ\Y3.
antecedent of a rule. N
1.fV -
Computer System h0HK~S#xBv
1. The system has been implemented using Prolog language in an b|;h$otC
MS-DOS environment. Prolog was chosen because it offers a well e}P@7e h
known and flexible environment in which fuzzy reasoning may be ~Nf|,{[(5
easily implemented. 2+b}FVOe\
2. The current version of the xx program when compiled with .g?D3$|K
WATFOR77 results in an executable code of about 270K bytes. u:6R|%1fNn
Typical run time, when run on a XX computer (an IBM compatible `M(st%@n
machine) operating at 4.77 Mhz with 640K RAM, ranges from 10 min h%NM%;"H/
to 2h, depending on the size (or complexity) of the problem. HLdHyK/S
3. Time consuming procedures have been implemented in rl&.|;5uH;
C-language and directly linked to the Prolog environment. ,}"jiGgS4
4. The xx process, once the xx's data has been entered, requires !H<%X~|,
approximately 180 seconds. SLUQFoz}
5. It should be noted that the computation was done with a 20 Hhz, 4i5b.bU$
80386..209;based microcomputer equipped with a 80387 math |`s:&<W+kp
co-processor. D;jbZ9
6. The computer programs used for the analyses, one based on the xx 'KT(;Vof
method and the other based on the new method, were written in >oaL -01i
FORTRAN with a compiler that supports the math co-processor. W-Vc6cq
7. Lisp, Prolog give maximum flexibility but also maximizes lV$#>2Hh5
g}uSIv^
development time. tmM; Z(9t
l Internal representation is the way a model is represented in the jzZ]+'t
computer. >,I'S2_Zl
l An interactive menu-driven procedure is used in this study O6ugN-d>
l Shell can be develop very fast at the cost of time fairly severe <P6d
-+
limitations. VZ y$0*
l While there is no measurable saving of time for the case involving K{V
.N<