本文就原始数据的质量特征在充分性和可靠性前提下，如何进行原始数据的采集分析，提出原始数据的采集控制措施。
Under the preconditions of sufficiency and security of original data quality features, this article aims to offer original data collection control measures to the analysis of original data collection.
从面向对象的思想出发，充分结合问题的特殊性，采用图元级粒度的数据结构对问题进行分析，简化了算法。
From the view of object-oriented idea and integrating the particularity of problem, the algorithm with the help of graphic meta data structure is analyzed and simplified.
充分利用三维实体数据的完整性，实现各层次二维图形的自动生成和结构力学分析所需的数据模型的自动建立；
Making full use of integrity of 3D model information, the system automatically generates various kinds of 2D drawings and constructs the data model for structural analysis.
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