啊，不到5%的农民养活了100%的人口

来源: cfbingbuzy001 于 2025-11-08 11:54:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

一百年前,是40%

不能取代的只有能源，从生物能源到火力水里电力核力

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