The remote teaching system of engineering drawing assembly has many 3D solid models and animations as well as much large data, it requires much quicker real-time response and wider network bandwidth.

工程制图组合体的三维实体造型多，动画数据量大，对网络带宽要求高，因此，实现组合体数据的远程快速传输和实时交互成为组合体远程教学的关键和难点。

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