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It is necessary to check the experimental results over and over. (IA: 4E}
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3）理论联系实际是重要的。 0TiDQ4}i[
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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。 XZ3M~cD q
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6）9 b) g# m:没有再校核实验结果的必要。 y C!>7@m
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7）这条技术规范需要尽快解释。 ";n%^I}
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The technical specification need to be explained as soon as possible. -}8r1jQH;
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This machine needs to be repaired. bF +d_t
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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。 GzT?I
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The increasing demands for security measurement can be proved by the penetrations of automated systems. A=*6|1w;
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