The experiment results shows that it can solve the problems and fulfil the requirement of accurate and real-time collision detection in virtual surgery.

实验结果证明算法能很好地解决虚拟手术中的碰撞检测问题，且满足虚拟手术中的实时性和精确性要求。

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Aimed at the low efficiency of real-time collision detection problem of simple 3d object on mobile platforms, this paper proposes a recursion detection algorithm using collision tree.

针对移动平台上大量的简单3d物体实时碰撞检测效率不高的问题，文中提出了以构建碰撞树为基础的碰撞遍历算法。

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So if two nodes tried to send packets of data to the hub at the same time, the resulting “collision” would garble both their transmissions.

因此，如果两个节点在同一时间将数据包传至线路集成器，会导致“冲突”从而使彼此传输发生混乱。

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Police said Jayden Lee McIvor was on foot at the time of a collision between two cars in Telford, Shropshire, on Saturday.

BBC: Telford crash driver arrested after boy's death bailed

The couple, who lived in Hillfields, Fishponds, had bought their tandem bike - which they were riding at the time of the collision - before Christmas.

BBC: Tandem crash pair Ross and Clare Simons' funeral take place

Mr Green was driving their Citroen Xsara and his wife was a passenger at the time of the collision with a Land Rover Defender travelling the other way.

BBC: Dennis and Doreen Green