Car sensors that detect the distance between your bumper and the car in front of you can prevent a sweep of brake-slamming that can tie up traffic, for example.
比如说，能够检测你的汽车保险杠与前方汽车距离的感应器，可以防止可能造成交通停滞的紧急刹车。
2
The distance between people, to keep good, too close to the tie, too far from the wounding.
人与人之间的距离，要保持好，太近了会扎人，太远了会伤人。
3
Piracy on the 1st to tie in the other side of the camera help scientists to calculate the red planet on the surface distance.