So, it's very important to study the theory, the method and the procedure of farmland gradation and evaluation at present.
所以，对农用地分等定级估价的理论、方法、程序进行研究探索，具有十分重要的现实意义。
Taking Xining City as an example, the author makes an analysis of the characteristics and methods of urban land gradation and price evaluation of western China in this essay.
本文以西宁市土地定级估价为例，对我国西部城镇土地定级估价特点和方法进行了分析。
Evaluation and gradation of hidden dangers are important criteria in risk control, which are methods for risk assessment generally used.
对隐患的评价分级是治理的重要依据，作业条件危险评价方法是常用的一种危险评价方法。
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