1) upstream fairing
上游整流器
2) downstream fairing
下游整流器
3) upstream
[英][,ʌp'stri:m] [美]['ʌp'strim]
上游,上流
4) upper reaches mainstream
上游干流
1.
This paper analyzes on the riverbed evolution of the upper reaches mainstream of the Fenhe River, reviews the control situation of the stream channel, and analyzes on the main problems existing in the control starting from the embankment works and the roller-way project, and advances the tasks and principles of the control of the stream channel.
对汾河上游干流的河床演变进行了分析,回顾了河道治理情况,并从堤防工程、滚水坝工程出发,分析了治理中存在的主要问题,提出了河道治理的任务与原则。
5) closure in the upperreaches
上游截流
6) upstream valley
上游流域
1.
To analyze the climate change of Lianhua Reservoir upstream valley nearly 40 years,the annual precipitation shows a slight rising trend,the average temperature of the whole year shows a remarkable warming trend,and the annual potential evaporation shows a slight decreasing trend.
分析了莲花水库上游流域近40 a的气候变化,结果表明年降水量呈略增加趋势,年平均气温呈非常显著的变暖趋势,年潜在蒸散量呈略减少趋势。
补充资料:半导体整流器
用硒、氧化亚铜、锗、硅等半导体材料制成的整流器。氧化亚铜整流器常用于电流很小的场合,如测量仪表中;硒、锗、硅整流器用于电流较大的场合;大电流的场合则用可控硅整流器。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条