Based on the practical engineering background, the mathematic model of the system composed of two laser gyros and two accelerometers is derived under the dynamic restriction.
以实际工程应用为背景，推导了运动约束条件下，基于两个激光陀螺、两个加速度计的系统姿态测量模型。
Based on practical engineering background, the string-bow pre-stressed latticed shell structure is proposed and applied to large-span indoor coal storage yard design for the first time.
结合实际工程背景，提出了新颖的弦弓式预应力柱面网壳结构，并应用于大跨度电厂干煤棚结构中。
All the research work mentioned above is derived from practical background of reverse engineering CAD modeling and it owns strong applied value.
以上所有的研究内容都是从反求工程CAD建模的实际工程背景出发，具有很强的工程应用价值。
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