Scientific data_Scientific,Growth
發(fā)布時(shí)間:2020-03-28 來(lái)源: 人生感悟 點(diǎn)擊： 
As one of the world’s largest grain consumers, food security has always been a major concern for the Chinese nation. China must confront the challenge of feeding a fifth of the world’s population with less than 9 percent of the planet’s arable land.
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