By sampling the thickness of skinfolds at selected sites on the body, it is possible to estimate the body's overall fat content.
通过抽样身体特定部位皮肤折叠的厚度，可以估算身体总的脂肪含量。
The thickness detection of pavement structural layers is an important job for road quality control, the traditional core sampling method can't satisfy the demand of accuracy detect.
路面结构层厚度检测是道路质量控制的重要工作，传统的钻心取样法已远远不能满足精确检测的要求。
The effects of sampling position on low temperature impact property of the welds are obvious, and the impact energy of 1/2 plate thickness is lower than that of 1/4 plate.
冲击试样取样位置对焊缝冲击性能有明显的影响，板厚1/2位置的低温冲击功均低于1/4位置。
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