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单词 young's modulus
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Young's modulus, [Physics.]
  1. Physicsa coefficient of elasticity of a substance, expressing the ratio between a stress that acts to change the length of a body and the fractional change in length caused by this force.
  • named after Thomas Young, who derived it 1860–65

Collins Concise English Dictionary © HarperCollins Publishers::
Young's modulus n
  1. a modulus of elasticity, applicable to the stretching of a wire etc, equal to the ratio of the applied load per unit area of cross section to the increase in length per unit length
Etymology: 19th Century: named after Thomas Young
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