这两种测量方法的差别为研究者提供了对于刺激反应的水平和持续时间的指示。

The difference between the two measures provides the researcher with an indication of the level and duration of the response to the stimulus.

youdao

这种成分被用来平衡产品中的酸碱值，能够引起过敏反应，并刺激你的眼睛、鼻子和皮肤。

This ingredient is used to balance the PH in products, and can cause allergic reactions, and irritate your eyes, nose and skin.

youdao

然而，长时间的气味刺激可以产生更持久的反应减少，可能涉及中枢神经系统通路的高层结构。

Prolonged odor stimulation, however, could produce more long-lasting reductions in response, possibly involving structures higher in the central nervous system pathway.

youdao

So, the idea here is, repeated pairings of the unconditioned stimulus and the conditioned stimulus will give rise to the response.

这里的意思是说，无条件刺激与条件刺激的反复匹配,会引起条件反应。

耶鲁公开课 - 心理学导论课程节选

Now the pain of a bite, being bit, and then the pain and fear of that is an unconditioned stimulus, unconditioned response.

咬伤所带来的疼痛感，和有此所带来的痛苦与恐惧,就是无条件刺激和无条件反应。

耶鲁公开课 - 心理学导论课程节选

Well, when Pavlov, for instance, started before conditioning there was simply an unconditioned stimulus, the food in the mouth, and an unconditioned response, saliva.

比如，在条件作用形成之前,只是简单的存在着无条件刺激，即食物，以及无条件反应，即唾液。

耶鲁公开课 - 心理学导论课程节选