dynamic electromotive force的用法和樣例：
例句
- It is electromotive force that drives electrons through the circuit.
是電動(dòng)勢驅使電子沿電路運動(dòng)。 - The force constant and its associated back-EMF constant of a VCM can be highly nonlinear with the mechanical structure.
在音圈馬達中，由于其機械結構及磁路架構，力常數及反抗電動(dòng)勢常數呈現高度非線(xiàn)性之特性。
