The implementation of agricultural land classification, gradation and valuation metadata system.
农用地分等定级估价元数据体系的实现。
This paper introduces the classification of agricultural information resources free of charge, search methods and free database of domestic and foreign.
介绍了免费农业信息资源的分类、检索方法以及国内外重要的免费数据库。
This paper analyses the calculation method of the agricultural mechanization on agriculture and economic growth based on the classification.
就农业机械化对农业和经济增长贡献率测算方法按照分类进行了评析。
In this paper, the concept and classification of non -traditional agricultural minerals have been discussed and are introduced simply.
本文简要介绍了非传统农用矿产的概念和分类。
Using the method of morphology classification, 13 agricultural characters of 42 melon germplasm resources were clustered to study their phylogenetic relationship.
本试验采用形态学分类学的方法，对源自于国内外的42份薄皮甜瓜种质资源的13个农艺性状进行了聚类分析。
The implication of agricultural land resources security and its causes were analyzed. The standard plot system of agricultural land classification and its function were discussed.
该文首先分析了农用地资源安全的含义及其产生原因，论述了农用地分等标准样地体系及其基本功能；
The implication of agricultural land resources security and its causes were analyzed. The standard plot system of agricultural land classification and its function were discussed.
该文首先分析了农用地资源安全的含义及其产生原因，论述了农用地分等标准样地体系及其基本功能；
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