Finally, on the basis of investigation, the prevention and control of pollution for the secondary area of water source were studied and discussed.

最后，在调研基础上对二级保护区的污染防治工程规划工作进行研究和探讨。

youdao

The scarcity of water has led to famine in the past due to lack of project addressing water conservation in the source area.

由于在源头地区缺乏水源寻址保存，在过去缺水会导致饥荒。

youdao

The important reason of causing our country source of water supplying insufficient and national water environment pollution in some area is low water efficiency and large sewage emission.

造成我国部分地区水源供给不足和全国水环境普遍污染的重要原因是用水效率低和污水排放量大。

youdao

The nearby Sikalima stream is another cause of friction between the Chinese-run mine and the cattle-herding community in the area, who rely on it as a source of drinking water.

BBC: China in Zambia: Jobs or exploitation?

As idyllic as this area looked, water shortages had become a huge problem, particularly affecting the main source of income here, agriculture.

BBC: Part II: The road to Bethlehem