| 释义 |
> as lemmasmodulus of elasticity modulus of elasticity n. (originally) a quantity relating the amount of extension or contraction of a substance to the amount of tension or pressure acting on it; (now) spec. the ratio of the stress acting on a substance to the strain produced; also called elastic modulus, Young's modulus. (One of the four elastic constants, the others being the shear (or rigidity) modulus, the bulk modulus, and Poisson's ratio.)< |