The contents of this dissertation mainly include the following aspects.
本文的研究内容主要包括以下几个方面。
Mainly include the following contents: 1 the present situation about the application of CAD technology in the structural design of building.
主要包括以下几方面内容：1当前CAD技术在土木结构设计中的应用情况。
Regional market research mainly include the following several key areas: the internal and external environment, market positioning, regional attributes.
区域市场的调研紧要包含以下几个关键点：区域的表里境遇，区域属性，区域市场定位。
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