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。

The key of constructing disregard of the corporate personality lies in the comprehensive consideration of the scale, occasions, key factors adopted and the forbiddance of abuse.

构建公司法人人格否认的关键环节在于适用范围、适用场合、适用要件和禁止滥用情况的综合考虑。

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。