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气候变冷和构造活动变弱是沙漠化的主要原因,人类活动加速了沙漠化的进程。都江堰在全球沙漠化中永保古老“天府之国”的生态农业,表明中国古人“天人合一”的自然唯物主义思想在建立生态良性循环方面作出了重大页献。
Climate change and weakening of tectonic activities are the main causes of desertification. Human activities have accelerated the process of desertification. The ecological agriculture of Dujiangyan in the desertification of the world and “natural land of nature” in Dujiangyan shows that the ancient Chinese thought of “natural harmony between man and nature” made a significant contribution in establishing a virtuous cycle of ecology.