【Key words】 BOTDR; optical fiber; tensile and compressible strain; measuring characteristics
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试验结果表明，花岗岩的动态压缩和动态劈裂拉伸的力学性能表现出显著的应变率效应。
Test results show that granite dynamic mechanical behavior of compression and splitting tensile has distinguishable strain rate effect.
正应力图形和剪应力图形可以分为三种类型，分别对应压缩类变形、平面应变以及拉伸类变形。
The figures can be divided into three main types, which refer to compression, plain strain, and tension, respectively.
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