如果你想训练一只实验室老鼠拉曲柄去拿到一粒小丸，并定时给它一些小奖励的话，(但不是每次都一样，)那么这个小东西的条件反射会更强烈。
If you want to train a laboratory rat to pull a crank to get a food pellet, the reflex will be scratched in deeper if the creature is rewarded with some regularity but not all the time.
他对研究生的训练是将临床调查和实验室研究结合在一起的。
The training of his postgraduate students combined clinical observations with laboratory investigations.
很自然，这种趋势会在尤以数学或实验室训练为基础的自然学科领域表。
Especially on a mathematical or laboratory training, and can be.
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