关于味的阈值,叙述正确的是
A.绝对阈值指人感觉某种物质的味觉从无到有的刺激量
B.最终阈值指感受到某种物质的味觉所需要的该物质的最高浓度
C.味的阈值是指将某一给定刺激量变更到显著刺激时所需的最小量
D.差别阀值是人感觉某种物质的味觉不随刺激量的增加而增加时的物质的浓度
正确答案是A
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