冲击波形成了一个由压缩气体分子构成的圆锥体,它朝四面八方向外和向后移动,一直延伸到地面。
The shock wave forms a cone of pressurized air molecules which move outward and rearward in all directions and extend to the ground.
那个圆锥头表示正方向。
聚光灯只在一个方向上,在一个圆锥体范围发射光线。它们用作手电筒真是完美,汽车的车头灯或者灯柱。它们在图形处理器上是最耗费资源的。
Spot lights only shine in one direction, in a cone. They are perfect for flashlights, car headlights or lamp posts. They are the most expensive on the graphics processor.
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