Forbiddance system on engine is a new technology for automobile theft protection in recent years.

发动机锁止系统是近几年在发动机上采用的一种新技术，是汽车防盗的一种新方法。

youdao

Then, it investigates the most effective evaluation index of left-turning traffic forbiddance system, discusses of two cases a section of a road and an intersection, separately.

然后，提出了禁左交通效果评价的主要指标，分别考虑路段和交叉口两种情况。

youdao