resource_classification_and_evaluation

1.After years of theoretical and practical research, geological resource classification and evaluation method of volcanic landscape has some foundation, but there also.
通过多年的理论和实践研究，火山地质景观区的资源分类与评价工作有了一定的基础，但同样存在诸多问题。
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2.The town land classification and price evaluation is an important constituent of the land resource management.
城镇定级估价是土地资源管理的一个重要组成部分。
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