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。
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。
Besides, based on the research at home and abroad, we proposed design and evaluation method of asphalt treated base aggregate gradation and mixture design method of asphalt treated mixture.
在国内外沥青稳定碎石研究的基础上，给出了功能层混合料矿料级配组成的设计和评价方法及功能层混合料配合比设计方法。
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