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reserved land for cultivating
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reserved land for cultivating
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农学
耕地后备资源
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reserved land for cultivating
耕地后备资源
在当前技术经济条件下,能够通过开发、复垦措施改造以种植农作物的土地资源。曾称宜农荒地、四荒地(荒滩、荒地、荒山、荒水)、宜农土地后备资源等。
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overhand drift-and-fill mining stoping
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