Objective:To understand the knowledge level and attitude of school students about AIDS and their behavious factors,and to provide accordance for school propagand plans.
目
了解
专生
知、态、行现状，为学校制定宣传策略提供依据。
Objective:To understand the knowledge level and attitude of school students about AIDS and their behavious factors,and to provide accordance for school propagand plans.
目了解专生知、态、行现状，为学校制定宣传策略提供依据。
The paper expounds in detail the relation between oil density and metering and suggests that it is necessary to propagand metrical knowledge to customers.
详细阐述了油品储存收发过程密度与计量关系,并提出了向客户宣传计量知识
性。
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