The fluid flow need not be specified in detail to obtain a semi-quantitative assessment of collection characteristics.
为了得到采取特性的半定量的估价，并不需要对流场作详细的说明。
The analytical results much more fit the pipeline risk situation because of the application of gray correlation analysis in the semi-quantitative risk assessment on oil and gas pipelines.
在油气管道半定量风险评价中应用关联分析法，可以使评价结果更准确。
Abstract: the occupational exposure assessment in our country is in its infancy, most of them are in the stage of qualitative and semi-quantitative evaluation.
摘要：我国职业暴露评估正处于起步阶段，大部分都处于定性和半定量的评价阶段。
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