The people from different occupations get different level of social support.
不同职业人群获得的社会支持程度不同。
This article has studied the access way of competition information from different angle and different level.
本文从不同角度、不同层次研究了竞争情报的获取途径。
This article has studied the access way of competition information from different angle and different level.
本文从不同角度、不同层次研究了竞争情报的获取途径。
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