水文循环的变化受控于自然和人类活动两组向量。
Changes of hydrological cycle are controlled by two sets of vectors as natural and human activities.
由于人类活动的影响，目前气候变化对水循环的影响已成为水文工作者关注的焦点。
Owing to influence of human activities and climatic change on water cycle, it is concerned by hydrologists for the moment.
河川径流作为水循环水文要素之一，由于受人类活动、流域气候及自然地理等因素的综合影响，其变化呈一个非线性动力系统。
As one of the main hydrological factors of the water cycle, river runoff is affected by human activities, watershed climate and geographical factors, and its change is a non-linear dynamical system.
河川径流作为水循环水文要素之一，由于受人类活动、流域气候及自然地理等因素的综合影响，其变化呈一个非线性动力系统。
As one of the main hydrological factors of the water cycle, river runoff is affected by human activities, watershed climate and geographical factors, and its change is a non-linear dynamical system.
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