Fog is the enemy of Ship's collisionprevention, a large number of collision accidents are happened in fog.
雾是船舶避碰的天敌，众多的碰撞事故都是在雾中发生的。
2
An increasing number of applications depend on accurate and fast 3d scene analysis, such as geometry reconstruction, collisionprevention, mixed reality, and gesture recognition.
越来越多的应用如几何重建、碰撞检测、混合现实、手势识别等，都依赖于对三维场景准确且快速的分析。
3
Helfand added that tracking an asteroid is just the first step. The next step is prevention of a collision with Earth.