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The transformation matrix between local coordinate and world coordinate of virtual maintain system was designed, and the methods of coordinate transformation among different objects were given this article. A viewpoint transformation function was designed, and the location and direction of viewpoint could be controlled conveniently. A logical detaching algorithm of nodes was put forward, it could...
On-demand logistics means to respond each time customer's individual request one by one. On-demand logistics mechanism is established on the theory of on-demand logistics. It can optimize the logistics system through E TO E (End to End, the supply chain of upstream and downstream). Through the supply, production and sales of all the links, on-demand logistics mechanism can also militate the entire...
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