电机与电气控制：主要内容包括直流电机、异步电动机、同步电动机、低压电器、基本电气控制电路、典型机床电气控制电路、位置检测装置和控制电机等。-Electrical Machine and Control: The main contents include DC motors, induction motors, synchronous motors, low voltage electrical appliances, basic electrical control circuits, a typical electric machine control circuit, position detection and control of motor.