position of sampling的意思|示意

Four methods of sampling in road and bridge construction are introduced in this paper. They are sampling of known distances, known horizontal angles, known elevations and plane point position.

本文简述了路桥施工测量中放样的四种方法：已知距离的放样，已知水平角的放样、已知高程的放样、平面点位的放样。

Factors influencing the tensile strength of polymerizer head sample were introduced, which included the sampling position, sampling direction, sampling quantity and the cross section shape of sample.

介绍了影响聚合釜封头试样拉伸性能的因素：取样部位、取样方向和取样数量及试样的横截面形状。

The SNR of the parallel-collected images is relevant to the geometric shape and the position of the coil and is influenced by the reconstruction method and the sampling mode.

并行采集图像的SNR，不仅与线圈的几何形态和位置有关，还受重建方法及采样模式的影响。

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。

The paper has proved theoretically and verified statistically by sampling that the distribution of the position error in arbitrary direction is Rayleigh Distribution.

本文从理论上证明并抽样统计验证了任意方向位置度误差服从瑞利分布；

Impacts of fertilization and sampling position on soil moisture and aboveground biomass of Medicago sativa were studied in a long term, in situ experiment.

基于苜蓿长期连续种植定位试验，研究了不同施肥与采样位置差异对苜蓿草地地上部分生物量和土壤水分的影响。