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The development of some instruments is necessary when the engineer established this simulation model. e_<'zH_1
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2）7再三核对实验结果是重要的。 l%_r 3W
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It is necessary to check the experimental results over and over. ?mA%`*=q
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3）理论联系实际是重要的。 z @8W
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It is necessary to integrate theory with practice. (a9>gLI0
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4）$ a" K( B+ U3 E" j&需要立即维修该测量仪器。 MS~+P '
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The measuring instrumentation need to be maintained at once. ls@j8bVv^
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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。 u85 dG7
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The comparison in details between the theoretic value and experimental result is necessary. $ X_A 74 (
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6）9 b) g# m:没有再校核实验结果的必要。 Fd;%wWY.zm
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There is no need to check the experimental results. KK';ho,W
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7）这条技术规范需要尽快解释。 >] <4t06D
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The technical specification need to be explained as soon as possible. !T"jvDYH
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8）这台机器需要修理。 uZml.#@4
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This machine needs to be repaired. 6 hiWgbE
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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。 )?;+<,
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The increasing demands for security measurement can be proved by the penetrations of automated systems. uE,g|51H/
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