The extent to which slight changes in rainfall could impact on rivers had never been realised.
过去，大家都不相信降雨的微量改变会造成非洲河川流量缩减。The Trent River Authority at least is on the side of depollution.
至少特棱特河川当局是赞成防止污染的。The land originally located at the area of cemetery, river, the edge of the valley, or special topography.
四原位于公墓、河川或山谷边缘或其他特殊地形范围内之土地。The river flow of basin has already varied significantly affected by the global climate change and human activity.
在全球气候变化和人类活动影响下，流域河川径流已经发生了显著变化。This project proposed to develop a convenient and automatic sonar depth measurement system which can be operated in these circumstances.
本研究之目的在于发展一套适用于台湾河川及水库水深的自动化量测船只。People frequently fell into the rivers by hydraulic power plants in Taiwan during that period, causing a significant number of deaths.
当时的台湾，水力发电所旁的河川不时传出落水意外，而使不少人丧命。There the mutual transforming relationship between surface water resources and ground water resources is quite clear.
这里降水、河川径流与地下水转化关系十分明显。In premodern times, many Chinese villages (especially those living close to rivers) had temples dedicated to their local "dragon king. "
在近代时期，许多中国的村落（尤其靠河川居住的那些人）专心建寺庙祭祀他们当地的“龙王”。A river flows, provides, creates, destroys, simultaneously a path and a boundary, even a gateway.
河川的流动的同时可能提供、创造或毁灭一条路径以及界线，甚至出入通道。