Coupling means are provided on the power supply systems and the electrically powered device for ensuring correct mechanical and electrical coupling.

耦合装置被设置在所述供电系统和所述电动装置上以确保正确的机械耦合和电耦合。

youdao

Harmonic distortion arises from the nonlinear vibrations of mechanical device of seismic source and the coupling between the vibrator and the ground.

由于震源的机械装置和振动装置的非线性振动以及振板与大地的耦合等问题，在震源向地下输入能量的同时，也产生了谐波畸变。

youdao