E. T. S. says it takes additional precautions, such as collecting handwriting samples to reduce the chance that students will hire someone to slip in, in their stead, after breaks.

美国教育考试服务处说那就要再增加防范，如采集笔迹样本来降低学生在午休后偷偷地雇人替考的机会。

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After recording the values (if they are not zero), the average r, s, and t dwell times are computed if there are enough samples.

在记录值(如果这些值不为零)后，如果有足够的样例数据，则计算r、s和t的平均停顿时间。

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5 out of 32 samples tested positive for S. Typhi.

经检测，32个样本中有5个为伤寒杆菌阳性。

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They gathered hundreds of sea creatures and water samples to measure the garbage patch's effect on ocean environment.

VOA: special.2009.09.22

There's another sample which is in Russia, part of the former Soviet Union, where there are samples that were stored.

另一个样本在俄罗斯,前苏联的一部分,那也有储存的样本

耶鲁公开课 - 生物医学工程探索课程节选

To do that, Costello's co-lead researcher took samples of bacteria from mothers and babies immediately before and after birth.

VOA: standard.2010.06.30

One switched Branagan's samples of metallic glass with similar-looking Christmas tinsel.

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When Troy awakes minus his mug he steals Archer's and samples life on the other side of the picket fence.

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In 2009 New Scientist writer Michael Reilly "hacked" a colleague's genome using samples from a water glass.

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