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。
2
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。
3
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.