- practical purpose
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实用目的的英文
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- Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department , some works on the liquefaction of silty soils have been carried out . in this dissertation , after making a short review of the works on seismically induced soil liquefaction , some research results are presented , which include the following contents . ( 1 ) depending on the dynamic triaxial test , the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake
结合铁道部发展基金项目： “高速铁道液化土地基试验测试研究” ，本论文概括总结了地震液化的研究现状，就沪蓉高速铁路徐州段可液化场地粉土地基的液化特性问题开展了一些研究工作，内容如下： ( 1 )提出了基于实用目的的粉土的孔隙水压力增长模式和永久应变势计算模型，并把此两模型应用于场地的地震反应分析和地震液化性能的评价中；依靠循环振动三轴试验技术，对粉土地基的地震液化强度进行了试验研究；验证了密实度是粉土液化的重要影响因素。 - For the sake of breaking through the key technology of knowledge picking up and expression in dfm system so as to reach a practical purpose , on the basis of analyzing in detail the knowledge features of manufacturability and combining with the features expression of produce and components and the general representative method of knowledge , a kind of representative method for the knowledge of integrated manufacturability was put for ward , in order to enhance the efficiency of retrieval and calling and decrease the work amount of maintenance
为突破dfm系统知识提取和表达的关键技术，达到实用目的，在详细分析可制造性知识特点的基础上，结合产品和零件的特征表达和知识的一般表示方法，提出一种集成性可制造知识的表示方法，以提高检索和调用效率，减少维护工作量。