这些方法与文档模型的方法有许多相似处，但是它们更进一步将XML文档映射到实际应用程序数据结构中。
These have many similarities to the document model approaches, but they go a step further by mapping XML documents into actual application data structures.
研究了设计特征、工艺特征和成本特征之间的相互关系，按照并行工程思想，提出了与设计进程并行的基于特征映射的成本估算模型，研究了模型的实现方法。
The relations between design feature, machining feature and cost feature are studied. Cost estimating model based on feature mapping and its application method are presented in concurrent engineering.
重点研究了AMDB数据绘图映射和建模方法、机场三维模型与地形的合成显示技术。
The AMDB mapping and modeling method, the synthesis display technology of airport 3D model and terrain were studied emphatically.
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