释义 |
栅(柵)shān[栅极](shānjí)多极电子管中最靠近阴极的一个电极,具有细丝网或螺旋线的形状,有控制板极电流的强度,改变电子管的性能等作用。{grid; electrode closest to the cathode (i.e. negative pole) of a multipolar electron tube, in the shape of a network or coil of fine wires, playing a role in regulating electricity over the grid and changing the function of the electron tube} ⇒栅zhà |