secondary stream中文什么意思

次级河

第二股气流

二次流

• secondary:    adj. 1.第二(位)的，第二次的 ...
• stream:    n. 1.河流，小河；川，溪。 2. ...
• secondary consequent stream:    次级顺向河; 后生河

例句与用法

1. Based on the change of the traditional opinion about controlling the water environment of river , the water quality contamination status of the secondary streams in the three gorges reservoir is analyzed
   摘要本文基于传统工程治理河流理念的转变，对三峡库区次级河流整治中存在的问题进行了分析。
2. Combined with the new theories , ideas and technologies which dealing with the water pollution , countermeasures are brought forward for river pollution control and remediation in the secondary streams of the three gorges reservoir
   并结合国内外治理河流的新观念、新技术、新思路，提出了三峡库区次级河流的整治对策。