生物圈

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(shēng )()(huó )(dòng )(de )(fàn )(wéi )()(shēng )()(běn )(shēn )(de )(zǒng )(chēng )(shēng )()(huó )(dòng )(de )(fàn )(wéi )(bāo )(kuò )()(qiú )()()(quān )(de )(xià )(céng )(yán )(shí )(quān )(de )(shàng )(céng )()(zhěng )()(shuǐ )(quān )

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