| 单词 | threshold of feelings | 
| 释义 | threshold of feelings [`thresh´hōld ǝv `fēl·iŋz]  PHYSIOLOGY The minimum effective sound pressure of a specified signal that, in a specified fraction of trials, will stimulate the ear to a point at which there is a sensation of feeling, discomfort, tickle, or pain; normally expressed in decibels relative to 0.0002 microbar (0.00002 pascal) or 1 microbar (0.1 pascal).  | 
	
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