The degradation of residual strength caused by impact damage is greater than the degradation residual modulus.

和剩余弹性模量下降相比,冲击载荷引起的损伤对弯曲剩余强度下降影响更大.

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There was no direct relation between residual compressive strength and impact damage area.

层合板的剩余压缩强度与板的冲击损伤面积无直接关系.

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