截面中心 meaning in Chinese

core of section
core of the section
kernel of section

Stream cross section center
怜截面中心
The main achievement of the paper is to recommend the 90 point as the best place for sensor by the contrast of numerical calculation results and test signals . on the point the high frequency disturbing signal was weakened very much when the load impulse was changed , which could be explained when vibration shape was considered
本文最重要的工作是通过数值计算与实验的对比确定点击脉冲荷载作用下传感器的最佳接收位置，即距离加载点相对于管桩截面中心夹角为90的点。