stream water quality的意思|示意

QUAL2E was released by USEPA as a comprehensive and versatile stream water quality model. QUAL2E can be used as a powerful tool for stream water quality quantitative simulation.

QUAL2E 模型，该模型是美国国家环境保护局（US EPA）推出的一个河流综合水质模型，该模型具有综合性、多样化和灵活通用的特点，是进行河流水质定量模拟的有力工具。

Zhaoyuan section is the frontage of monitoring water quality of Songhua River main stream.

松花江肇源江段是松花江干流水质监测的前哨。

Water quality was polluted to a certain degree in main stream of Tarim River under the effect of human activities.

受人类活动影响，塔里木河干流的水质受到不同程度的污染。