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单词 all-or-none law
释义

WordReference Random House Unabridged Dictionary of American English © 2024
all′-or-none′ law′  (ôl′ər nun′),USA pronunciation [Physiol.]
  1. Physiologythe principle that under given conditions the response of a nerve or muscle fiber to a stimulus at any strength above the threshold is the same: the muscle or nerve responds completely or not at all.
  • 1895–1900
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更新时间：2026/5/9 17:17:52