engine system短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 发动机系统 The control inputs of the engine system in start up process are divided into the predetermined elements and feedback control input, and the latter is decided by variable structure controlling law. 将启动过程的控制量分解为期望控制输入和随机反馈控制输入，后者由变结构控制律来确定。 cnki