The children in question were randomly selected from a previous study on autism.

被试儿童是从之前一个有关自闭症的研究中随机选出的。

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Methods: 784 nursing records randomly selected from medical records were evaluated by nursing quality control group.

方法：从住院病历中随机抽取护理记录784份，由护理质控组进行质量评价。

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If people's jurors participate in a collegial panel, they shall be randomly selected from the list of people's jurors.

人民陪审员参加合议庭的，应当从人民陪审员名单中随机抽取确定。

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Any portfolio of 30 stocks randomly selected from the list of 1, 000 stocks is bound to include mostly smaller companies.

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At the University of Sheffield, where Mossman did his doctoral studies, he and his co-authors measured the heads, midpieces, and flagella of 30 sperm per man, from 103 men randomly selected from a pool of about 500 who were recruited for a larger fertility study.

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The Third International Mathematics and Science Study, which tested randomly selected students from 41 countries, found no correlation between whether a country has national standards and how well its students perform.

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