| 单词 | 阀值 |
| 释义 | 〔threshold〕A point separating conditions that will produce a given effect from conditions of a higher or lower degree that will not produce the effect, as the intensity below which a stimulus is of sufficient strength to produce sensation or elicit a response:上限，下限，阀值：一个正好能产生特定效应的界限，比其高或低均不能产生任何效应。如低于足够产生感觉或反应的刺激强度： |
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