2001年国土资源大调查取得显著的找矿成果。
Extensive national land and resources survey in 2001 achieved marked prospecting fruits.
农用地质量等级划分是国土资源大调查的主要内容。
Grading cultivated land quality accounted for the major part of state land resource survey.
农用地质量等级划分是国土资源大调查的主要内容。
Grading cultivated land quality accounts for the major part of state land resource survey.
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