工学 开关 释 switch 开关 可以使电路断路或短路的电子元件。 理学 计算机硬件电路 释 switch 开关 在电气工程领域，开关指控制电路通、断或改变传输通路的电气装置。
电磁学 switch 开关 ckt bkr=circuit breaker 断路器，开关 contactor 接触器，开关 Ctt=contactor 接触器，开关 disconnector 断路器，开关 disjunctor 分离器，开关 switch 开关†，电键
switch 开关；交换，转换 switching 开关，切换
计算机硬件 计算机工程设计 释文 switch 开关
- principal minor determinant
- principal module
- principal moment
- principal moment of inertia
- principal net of a mapping
- principal net of the flow
- principal neutral point
- principal nilpotent orbit
- principal norm
- principal normal
- principal normal complex
- principal normal form
- principal normal line
- principal normal plane
- principal normal section
- principal normal surface
- principal normal vector
- principal number
- principal nutation
- principal object
- principal offender
- principal of land laws
- principal of least dissipation of energy
- principal open set
- principal optical axis