点火角 meaning in English

angle of ignition
firing angle
ignition angle

All of these are aimed to reduce pollution and consumption , enhance the efficiency . at last the results of analysis , which is the best value of the air - fuel and the firing angle of minimal engine with the various operating mode of engine , write these data into dedicated memory for engine . when motorcycles are running , in accordance with the various operating mode of engines , the air - fuel and the firing angle of minimal engine are being controlled
通过单片机对小型发动机进行电控实验，对发动机空燃比和点火角进行调整、进行电控参数优化，最后将优化出的结果，即发动机各种不同的工况下，小型发动机的点火角和占空比的最佳值，存入单片机，从而在摩托车实际行驶过程中，实现对发动机的点火角和占空比的有效控制，调整空燃比和点火时间使发动机工作在最佳的状态，从而改善发动机的性能。