extraction electrodes造句

例句与造句

1. Electrostatic field is produced at the tip by an extraction electrode biased negatively in front of the tip.
2. Ions produced with greater kinetic energy have a higher velocity and during the delay time move closer to the extraction electrode before the accelerating voltage is applied across the target or pulsed electrode.
3. It's difficult to find extraction electrodes in a sentence. 用extraction electrodes造句挺难的