control sample

基本解释

We also constructed an industry- and size-matched control sample of companies that were not accused of committing fraud.
我们也为没有被指控财务欺诈的公司构建了一个产业以及规模的匹配控制示例。
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Similarly, no significant differences were observed among control sample and TGase treated samples regarding the ethanol and diacetyl content.
同样地，没有观察到显著的区别在对照样品和转谷酰胺酶之间处理有关乙醇和二乙酰的样品的容量上。
Take an additional sample as a temperature control. Check the temperature of the control sample at the time of collection and on receipt at the laboratory.
拿一个额外的样品作为温度控制，检查采集温度控制样品的时间和实验室收样日期。

One is in the U.S.at the Centers for Disease Control, where there is a sample of variola, which is kept, you know, frozen on ice in a heavily guarded facility.
一个在美国的疾病控制中心,那有一支天花病毒的样本,冰冻后置于重重保护之下
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As a control sample, the scientists gave the same puzzles to forty-eight students working by themselves.
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At the same time it was activated in space, a control sample was activated here on Earth.
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After comparing the performance of a maquiladora-using firm with that of a control sample, the authors found no evidence of net gain in the use of a maquiladora.
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