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力学是自然科学的一个分支,它研究物体的运动,而把静止看成是运动的一种特殊情况。(with引出的复合结构起补充说明作用。) rPr#V1}1a
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火箭发动机以其类似于瀑布或大雷雨的持续轰鸣给人以深刻印象,成为太空新时代的象征。(with...roarlike.—是非限定性定语,修饰engine。) M(oW;^B
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(2)In simple harmonic motion,where there is no damping,the energy of the vibrating particle changes from kinetic to potential and back,with the total energy constant. :4)mv4Q
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在没有阻力的简谐运动中,振动质点的能量由动能变为势能,或由势能变为动能,但总能量不变。(with十名词十形容词的复合结构在句中有结果状语的意味。) yd>kJk^~/
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介词是学习英语的难点之一,特别在阅读过程中是一个“拦路虎”。介词短语是构成长难句的一个重要因素。介词短语可用作定语、状语、表语和补足语。介词可与动词、名词、形容词等连用。 (<8
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这里特别指出一种介词复合结构,with(without)构成的复合结构,这种复合结构的形式有: ;>Z#1~8
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(1) If something is moving, with nothing touching it, it will go on forever,coasting at a uniform speed in a straight line. EoOrA@N
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正在运动的某一物体,如果没有受到任何外力触动,它将永远继续作匀速直线运动。(条件状语) y ruN5
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(2)The light we see,with its colors ranging from deep red to deep violet,serves us in our daily lives. g`1*p|
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(4)The article deals with microwaves,with particular attention being paid to radiolo cation. 73]%^kx=
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这篇文章是研究微波的,其中特别注意无线电定位问题。(with...10cation是分词复合结构,在句中作补充说明。) ]" )i~-|R
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(3)Mechanics is that branch of physical science which considers the motion of bodies,with rest as a special case of motion. ae
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力学是自然科学的一个分支,它研究物体的运动,而把静止看成是运动的一种特殊情况。(with引出的复合结构起补充说明作用。) m*["
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(5)The rocket engine,with its steady roar like that of a waterfall or a thunderstorm,is an impressive symbol of the new space age. !.p!
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不带电的物体含有大量原子,每个原子通常含有等量的电子和质子,但是有一些电子暂时脱离了原子的束缚。(with+名词+形容词的复合结构,对句子起补充说明作用。) Rx'7tff%I
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(2)At present,about 80 different metals are known to man.But with so many metals to choose from,the question arises:which metal shall we use? %M^b Z?
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