At the beginning of loading, the major principal stress centralize in a triangle area under the lap.
刚开始加载时，最大应力集中在搭接面以下的一个三角形区域内。
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。
The direct earth pressure should be calculated by analysis of minor principal stress arch while the indirect earth pressure by analysis of major principal stress arch.
可用小主应力拱应力分析计算直接土压力，用大主应力拱应力分析计算间接土压力。
The initial orientation Angle of the major principal stress has a significant influence on the dynamic strength: as the Angle increases, the dynamic strength decreases.
初始大主应力方向角对动强度影响显著，随角度的增大动强度逐渐降低。
Keeping the minor principal stress and medium principal stress fixed, the loading in the direction of the major principal stress is a potential stress path in practical projects.
保持小主应力、中主应力不变，在大主应力方向加荷是实际工程中可能存在的一种应力路径。
While direction of previous main faults that intersect the maximum principal stress by minor Angle also probably becomes the major migration direction of oil and gas.
与最大主应力小角度相交的先期主要断裂的方向也可能成为油气运移的主要方向。
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。
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。
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