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| soil conservation legislation A binding rule or body of rules prescribed by a government to protect and prevent the loss of an area's surface layer of decomposed rock and organic material, valued for its nutrients and ability to support life (一个具有约束力的规则或由政府指定的保护和防止某一地区的岩石和有机物质分解损失的机构，这些物质对它的营养物质和维持生命的能力有着重要的价值。) | |||
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