1） S9 f8 T0工程师在建立这一仿真模型时，开发一些工具是必要的。 5 %Qxx\q
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The development of some instruments is necessary when the engineer established this simulation model. jaoZ}}V_$
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2）7再三核对实验结果是重要的。 .==D?#bn
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It is necessary to check the experimental results over and over. t$! zgUJ
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3）理论联系实际是重要的。 59P c:Gg;
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It is necessary to integrate theory with practice.
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4）$ a" K( B+ U3 E" j&需要立即维修该测量仪器。 ZE=sw}=
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The measuring instrumentation need to be maintained at once. P)Adb~r
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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。 b9j}QK
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The comparison in details between the theoretic value and experimental result is necessary. Zy(i
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6）9 b) g# m:没有再校核实验结果的必要。 pQa51 nc
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7）这条技术规范需要尽快解释。 ..`c# O&
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The technical specification need to be explained as soon as possible. [PIMG2"G
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8）这台机器需要修理。
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This machine needs to be repaired. 2| , $#V=
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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。 45JL {YRN
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The increasing demands for security measurement can be proved by the penetrations of automated systems. ? $B4' wc5
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