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单词
Poisson’s ratio
释义
Poisson’s ratio
Encyclopedia
理学
材料力学性能
释
Poisson’s ratio
泊松比
当杆件受到单向拉伸时,杆既产生轴向伸长还产生侧向收缩,在线弹性范围内,垂直于载荷方向的应变的负值与沿载荷方向应变之比。泊松比为一常数,即。
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