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1. 流域面积：世界第四长河,也是北美洲流程最常,流域面积(drainage area)最广,水量最大的河流. 位于北美洲中南部,干流发源于世界上面积最大的淡水湖之一的苏比利尓湖(Lake Superior)的西侧,南北纵贯美国,是美国最长最重要的河流,
2. 排水面积：drainage adit 排水平峒 | drainage area 排水面积 | drainage channel 排水沟
3. 流域：prairies 大草原 | drainage area 流域 | rainfall 雨量
4. 汇水面积：Brain drain 人才流失 | Drainage area 汇水面积 | Traffic flow 交通量
1. It is an agricultural area on the Huangshui River drainage area, which is the biggest branch of the Yellow River.
2. Water pollutants in this drainage area have been reduced greatly, and the trend toward deteriorating water environment is now basically under control.
3. It now controls a drainage area of 1 million sq km, with an average annual runoff of 451 billion cubic meters.
4. Local water conservation authorities have started to evacuate the residents living at the drainage area of the two reservoirs to avoid further calamities.
5. Water shortage was severe in the Yellow River drainage area, he said.
6. Vice Minister of Water Resources E Jingping said the Pearl River drainage area has seen four major floods since 1994.
7. The drainage area of the Ruili River is rich in tourist resources with various scenic spots grouped together.
8. The worsening environment in Taihu Lake's drainage area also made it difficult for Zhouzhuang to keep its water clean.
9. drainage area什么意思
9. Almost a third of Yunnan's economic output is concentrated in the drainage area of Dianchi.
10. The drainage area of the river also covers part of Shandong and Hubei provinces, which are home to some 200 million people.
noun
1. the entire geographical area drained by a river and its tributaries
an area characterized by all runoff being conveyed to the same outlet
e.g. flood control in the Missouri basin
Synonym: river basin basin watershed drainage basin catchment area catchment basin