When choosing a place to build your shelter, try to stay near a source of water.
当选择了一处地方来建造你的容身之处，你就要试着呆在靠近水源的地方。
The study in this paper has the directive significance for choosing dripper discharge and interval of water dropper, as well as, designing irrigation quantity for line source drip irrigation.
该研究对线源滴灌滴头流量、滴头间距的选择以及灌水量的设计有指导意义。
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