欧洲粒子研究所所长罗尔夫·赫尔(Rolf Heuer)称，昨天的碰撞实际上是LHC在启动阶段快速推进的副产品。

Cern's Director General Rolf Heuer said yesterday's collisions were actually the side effect of the quick advances being made by the LHC during its startup phase.

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对于刚体对象，大部分碰撞检测算法所依赖的数据结构都可以在预处理阶段处理完毕。

For rigid object, the data structures that most collision detection algorithms depend on end in the pre-processing phase.

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围绕“碰撞空域”的较大圆柱形叫做“保护空域”(PAZ)，其大小在航程的不同阶段根据碰撞风险而改变。

The larger cylinder, which surrounds the CAZ, is the Protected Airspace Zone (PAZ). It changes in size during the different phases of a flight, according to the risk of a collision.

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