| 单词 | poisson's ratio |
| 释义 | > as lemmasPoisson's ratio Poisson's ratio n. [discussed by Poisson in Ann. de chim. et de physique 36 (1827) 385] the ratio of the proportional decrease in a lateral measurement to the proportional increase in length in a sample of material that is elastically stretched.One of the four elastic constants, the others being the modulus of elasticity (Young's modulus), the bulk modulus, and the rigidity modulus.extracted from Poissonn.adj.< as lemmas |
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