There are some differences of principal stress between secondary tectonic areas.
不同构造区主应力方向存在一定的差异。
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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