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.
我們也爲(wèi)沒有被指控財(cái)務(wù)欺詐的公司搆建了一個(gè)産業(yè)以及槼模的匹配控制示例。
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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)穀醯胺酶之間処理有關(guān)乙醇和二乙醯的樣品的容量上。
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(gè)額外的樣品作爲(wèi)溫度控制，檢查採集溫度控制樣品的時(shí)間和實(shí)騐室收樣日期。

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(gè)在美國的疾病控制中心,那有一支天花病毒的樣本,冰凍後置於重重保護(hù)之下
耶魯公開課 - 生物毉學(xué)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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