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The development of some instruments is necessary when the engineer established this simulation model. hZyz5aZ)K
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It is necessary to check the experimental results over and over. XRaq\a`=:
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3）理论联系实际是重要的。 VV?KJz=,W=
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It is necessary to integrate theory with practice. ^OYar(
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4）$ a" K( B+ U3 E" j&需要立即维修该测量仪器。 b^FB[tZ\x
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The measuring instrumentation need to be maintained at once. qL3*H\9N
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5）* F1 ?*仔细用理论值与实验结果进行比较时需要的。 Joe k4t&0<
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The comparison in details between the theoretic value and experimental result is necessary. qifX7A XHr
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6）9 b) g# m:没有再校核实验结果的必要。 mZ*!$P:vy"
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7）这条技术规范需要尽快解释。 Bo_Ivhe[m
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The technical specification need to be explained as soon as possible. &+d>xy\^/
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8）这台机器需要修理。 mKQ !@$*
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This machine needs to be repaired. JZ]4?_l
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9）对安全措施的需求日益增长，这一点可从自动化系统的日益增多得到证明。 6ix8P;;}#
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The increasing demands for security measurement can be proved by the penetrations of automated systems. X@2[!%nm
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