Primary effects — The immediate, measurable effects of an action.
基本影响——一个行为的即时可测影响。
Secondary effects----Further consequence that follow primary effects.
次级效应——紧随先前效应的后期后果。
Objective To evaluate the primary effects of occupational health service for the small-scale enterprises at Taopu community of Putuo district, Shanghai.
总结、评估上海市普陀区桃浦地区小工业企业职业卫生技术服务的初步成效。
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