对招标代理机构在业务开展中存在的问题进行分析，指出其危害性，并提出解决目前招标代理工作存在问题的几点建议。 。
Abstract: This paper analyzes the problems existing in the project bidding agencies, points out the harmfulness, and makes some suggestions about how to solve the problems of project bidding agencies.
这篇论文称“我们的发现支撑了之前英国及荷兰所得出的结论并且指出了目前的毒品分类系统对其危害性并没有提出有力证据的弊端。”
"Our findings lend support to previous work in the UK and the Netherlands, confirming that the present drug classification systems have little relation to the evidence of harm," the paper says.
阐述了我国磷矿浮选废水的危害性及处理现状，指出其处理方法的优点与不足。
The harms and treating situation of phosphorite floatation wastewater are described, in which the virtues and deficiencies of treating methods are discussed.
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