水循环（water cycle）：水的动态平衡 水分子从地球表面通过蒸发进入大气然后遇冷凝结，通过雨、 雪、和其它降雪形成回到地球表面的过程，称为水循环。
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...键词: 永定河流域; 气候变化; 水文循环; SWAT模型 [gap=1432]Keywords: the Yongding River Basin; climate change; water cycle; SWATmodel ...
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The Water Cycle 水循环
water cycle test 水循环试验
social water cycle 社会水循环
global water cycle 全球水循环
The Water Cycle- 水的循环
Water Cycle Observation Mission 全球水循环观测卫星 ; 全球水循环观测卫星计划
Water cycle and water use 水体循环与水的利用
Binary water cycle 二元水循环
healthy water cycle 水的健康循环 ; 健康水循环
On the other hand,the impact of human activities on water cycle and water resources is also an important reason.
递减原因除降水量减少因素外,人类活动对水循环及水资源影响也是一个重要原因。
参考来源 - 变化环境下海河流域水文循环及时空演化规律分析—《南水北调与水利科技》—2010年第3期—龙源期刊网The wetland degradation reason is supposed by analyzing the change trend of the region climate and water cycle factors.
本研究通过分析气象因子与水循环要素变化趋势，解释了湿地退化的原因。
参考来源 - 沼泽湿地生态环境及水循环评价研究The rainfall plays a very important role in the water cycle Only when the rainfall is greater than 10mm.
但是<5mm的降雨量基本不能被沙区植被所利用,只有当降雨量大于10mm时,才能在沙地近地表水分循环中起到非常重要的作用。
参考来源 - 盐池沙地水分动态与干沙层形成规律研究In this paper, which is supported by the preliminary designing of methanol equipment(200,000t/a) in Weihe River Coal Chemical Industry Group Co. , Ltd and the actual operation data, the water cycle of Methanol Synthesis system was studied.
本文依托陕西某化肥厂年产20万t/a甲醇初步设计,以陕西某化肥厂实际操作数据为基础,对合成甲醇系统中的水体循环进行了一定的研究。
参考来源 - 煤基大甲醇系统水循环行为研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N the circulation of the earth's water, in which water evaporates from the sea into the atmosphere, where it condenses and falls as rain or snow, returning to the sea by rivers or returning to the atmosphere by evapotranspiration 水文循环 (Also called hydrologic cycle)
By far the most abundant type of groundwater is meteoric water; this is the groundwater that circulates as part of the water cycle.
到目前为止，最丰富的地下水资源是雨水；这是地下水在水循环中的一个环节。
Moreover, Titan's atmospheric cycle is not a water cycle.
此外，“泰坦”的大气循环不是水的循环。
Possible side effects include changes to global water cycle and rainfall.
其他可能的副作用还包括全球水循环和降水的变化。
But they can also disrupt the delicate water cycle that provides food,recreation and hydration to communities.
VOA: standard.2010.08.04
Galmudug regional government Minister of Planning Omar Mohamud warns that not implementing a long-term solution to the water problem will fuel the vicious cycle of droughts, hunger,and violence and keep the Somali people in the iron grip of poverty.
VOA: standard.2009.10.06
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