复数： watercourses

Study on flow 's reynolds stress in ecological watercourse with floating plants .

有漂浮植物河道水流的雷诺应力研究。

Barrier built across a watercourse in order to build up a supply of water for use as an energy source .

横跨河道被建立的障碍为了加强水一供应为使用作为能源。

Research on technology of watercourse automatic electricity generation .

水流自动控电技术的研究。

The partnership acknowledged in its report that there were numerous ways of determining the source of a river , including the furthest point from the sea or the head of the most dominant watercourse .

合作联盟在其报告里承认确定河流源头的方法有很多种，包括河流距离海洋的最远点，最大支流的源头等等。

" Provided that the superintendent of mines may by order in writing prohibit the deposit of tailings in any watercourse , or any part thereof , or may limit the extent of the deposit in such manner as he may think fit , and in such event may prescribe the method of deposit . "

但矿务总监可藉书面命令，禁止将尾矿弃置在任何水道或其任何部分，亦可将弃置的程度局限，方式以他认为适合者而定，而在此情况下，他可订明弃置的方法。