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土地经济效益
释义
土地经济效益
Encyclopedia
农学
土地经济效益
释
land economic benefit
土地经济效益
对土地的投入与取得有效产品或服务之间的比较。体现土地经济活动中投入要素和产出要素之间的对比关系。
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cometary flare
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cometary HⅡ region
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Comet Bennett
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