control sample

基本解釋

We also constructed an industry- and size-matched control sample of companies that were not accused of committing fraud.
我們也為沒有被指控財務欺詐的公司構(gòu)建了一個產(chǎn)業(yè)以及規(guī)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.
同樣地，沒有觀察到顯著的區(qū)別在對照樣品和轉(zhuǎn)谷酰胺酶之間處理有關(guān)乙醇和二乙酰的樣品的容量上。
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.
拿一個額外的樣品作為溫度控制，檢查采集溫度控制樣品的時間和實驗室收樣日期。

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.
一個在美國的疾病控制中心,那有一支天花病毒的樣本,冰凍后置于重重保護之下
耶魯公開課 - 生物醫(yī)學工程探索課程節(jié)選

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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