optional operation meaning in English
任选作业
Examples
- Plc or relay control with optional operation of manual and semi - auto
有电脑、继电器两种控制方式，设有手动、半自动两种操作方式。 - All control circuits are integrated ( including power mos ) in the ic except the output low - pass filter , two optional operation modes : pwm and pfm are available
该ic集成了除输出低通滤波器的所有控制电路(包括功率mos ) ,提供pwm和pfm两种模式供选择。