Taihu Lake drainage area is one of the four city agglomeration regions in our country.

太湖流域是我国四大城市高密集地区之一。

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The rules of nitrate accumulation in Dian lake drainage area in intensive cultivation are studied.

研究了滇池流域集约化地区设施条件下氮磷化肥对土壤硝酸盐的累积规律。

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In the summer, bull trout forge 50 miles upstream from Lake Koocanusa to spawn in the Wigwam River drainage in British Columbia.

夏天，鳟鱼从 Koocanusa 湖逆流而上50英里，到不列颠哥伦比亚威格沃姆河的排水系统产卵。

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This story, with its cast of dams, river diversions, aquifer depletion and lake drainage, makes water a huge matter of concern.

ECONOMIST: Water

Mok Mareth, the environment minister, initially raised concerns that filling in the lake would do serious damage to Phnom Penh's drainage system.

ECONOMIST: The poor pay for a property boom

To address this problem, drainage canals were built going from the heart of the city out to Lake Pontchartrain.

FORBES: Hurricane Isaac and New Orleans: It's All About Water