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grassland management
释义
grassland management
Encyclopedia
农学
草地管理
释
grassland management
草地管理
人类为了管理目的,将草地生态系统按其生态特点类似的地区划分在一起,调控草地生态系统的各个生产要素,以获得最优的产品,为社会提供最优质的服务,并保持草地的可持续发展的活动过程。
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polyethylene naphthalate formic acid glycol ester
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polyethylene oxide
poly (ethylene oxide); polyoxyethylene
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