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the land utilization of ancient world
释义
the land utilization of ancient world
Encyclopedia
理学
古代土地利用
释
the land utilization of ancient world
古代土地利用
在原始和传统农耕生产方式下,古人出于经济、社会等需要或目的,根据土地的自然属性和规律对其所进行的利用、养护和改造等经营活动,具有动态性、长期性和周期性的特点。
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Herbig Ae/Be star
Herbig Ae star
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更新时间:2025/3/14 21:08:55