... experimental group 实验组 experimental hypothesis 实验假说 experimental instruction 实验指导语 ...
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...在透过实验操弄自变项，然后观察依变项产生什么样的变 化，了解二者间的因果关系，并考验所提实验假设( experimental hypothesis )是否为真。
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About five years ago they developed a hypothesis, based on data from experimental animals, that bowel cancer might be prevented by a regular dose of aspirin.
ECONOMIST: An aspirin a day keeps the doctor at bay
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