The changes of water cycle elements depend closely on climate variations and human activity impacts.
水循环主要要素的变化取决于气候条件的变化与人类活动的影响。
The zodiac runs on a 12-year cycle, and each year is associated with the five elements that Chinese mystics make up the universe: metal, water, wood, fire and earth.
生肖每12年一轮回，并且每年和中国神话中构成宇宙的五个元素组成：金，木，水，火，土。
Water balance elements of urban hydrological cycle have been measured and investigated, then checked by means of water balance equation in urban areas.
通过精测与调查收集城市水资源要素，并用城市水平衡方法检验。
Water balance elements of urban hydrological cycle have been measured and investigated, then checked by means of water balance equation in urban areas.
通过精测与调查收集城市水资源要素，并用城市水平衡方法检验。
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