开车痕 meaning in English

start-umarks
starting mark

The fifth chapter discusses an improvement algorithm for the let - off tension control and how to control the start mark compensation
第五章为对经张力控制的算法及如何通过控制经张力进行开车痕补偿进行了研究。
Including picking control system designed by two - chip structure controller and system of let - off & take - up motion based on servo control . and some deep research on tension control and start mark compensation
包括two - chip结构的控制器实现的选纬控制系统以及基于伺服控制的送经及卷取系统，并对张力控制以及开车痕补偿问题进行了深入研究分析。