| 单词 | controlled experiment |
| 释义 | controlled experiment From Longman Dictionary of Contemporary Englishcontrolled experimentconˌtrolled exˈperiment noun [countable]TEST/EXPERIMENTa scientific test done in a place where you can control all the things that might affect the testa controlled experiment to determine the effects of light on plant growthExamples from the Corpuscontrolled experiment• This has not yet been measured by a properly controlled experiment.• Two of the four specimens known to be infected with M tuberculosis were positive in the controlled experiment. |
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