Arable land gradation and classification is one of important parts of present land resources investigation of wide scope and fundamental tasks of the land management department.
农用土地分等定级是当前国土资源大调查重要组成部分，是土地管理部门一项重要的基础工作。
Arable land gradation and classification is one of important parts of present land resources investigation of wide scope and fundamental tasks of the land management department.
农用土地分等定级是当前国土资源大调查重要组成部分，是土地管理部门一项重要的基础工作。
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