The evolution of Lake Dongting is determined by three main factors, which are tectonic subsidence, siltation and human impacts.
洞庭湖的演变主要受构造沉降、泥沙淤积和人类活动影响三大因素的控制。
In this paper evolution of ancient lake in Taiyuan basin and changes of ecological environment were studied by optical enhancement of remote sensing image, geoscience analysis and historical records.
本文采取遥感图像光学增强、地学分析和历史资料论证的方法，研究了太原断陷盆地古湖泊的演变与生态环境的变化。
Man made measures must be taken to tackle these problems, to manage to postpone the evolution of the lake and to complete the exloitation task before it completely becomes sand covered lake.
解决这些问题的办法是在顺应盐湖演化规律的基础上采取人工措施，延缓盐湖演化的速度，在盐湖演化为沙下湖之前完成全部采盐任务。
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