major principal stress

基本解释

The direction of the major principal stress in a region remains the same from tens of meters to 4000 meters below surface.
一个地区的主压应力方向在地下几十米至4000米大体是一致的。
Objective To analyze the major type of occupational stress and its principal influential factors in primary and secondary school teachers.
目的分析中小学教师主要职业紧张反应类型及其主要影响因素。
Coincidence between the orientation of normal contact force anisotropy and the direction of the major principal stress has been observed during all stages of shear loading.
整个加荷过程中，剪切带内大主应力的偏转方向与法向接触力各向异性的主方向保持了良好的一致性。