By reviewing and analyzing the backgrounds of constituting the policy of hospital classification regulation, the thesis points out that to some extent, the emergence of the policy is inevitable.
通过回顾与分析医疗机构分类管理政策出台的背景，指出该政策出台的必然性。
The classification of keratins and the expression and regulation of the keratins genes in the wool follicle in recent years were reviewed.
本文综述了毛囊中的角蛋白分类及其角蛋白基因在毛囊中的表达和调控的研究进展。
The standard decides transmit concrete mixer's term, definition, classification, requirement, test method, inspection regulation, sign, transportation and store.
本标准规定了混凝土搅拌运输车的术语和定义、分类、要求、试验方法，检验规则、标志、运输和贮存。
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