生态平衡

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((shēng )(tài )(píng )(héng )(shēng )(tài )(píng )(héng ))

()()(shēng )()(qún )(luò )()()(shēng )(tài )()(tǒng )(zhī )(zhōng )()(zhǒng )(duì )()(yīn )()()(xiàng )(zhì )(yuē )(ér )()(dào )(de )(xiàng )(duì )(wěn )(dìng )(de )(píng )(héng )

(niè )(róng )(zhēn )()()(kāi )(chuàng )()(guó )()()(gōng )(zuò )(de )(xīn )()(miàn )》:“(guò )()(máng )()(kǎn )(shù )(lín )……(zào )(chéng )(yán )(zhòng )(de )(shuǐ )()(liú )(shī )()(huài )(le )()(rán )(jiè )(de )(shēng )(tài )(píng )(héng )。”

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