例句與造句

1. As in the dynatron oscillator the control grid can be used to adjust the negative resistance.
2. The negative resistance operating region of the tetrode is exploited in the dynatron oscillator, which is an example of a negative resistance oscillator . ( Eastman, p431)
3. In most modern tetrodes, to prevent parasitic oscillations the plate is given a coating which drastically reduces the unwanted secondary emission, so these tubes have virtually no negative resistance " kink " in their plate current characteristic, and cannot be used in dynatron oscillators.
4. It's difficult to find dynatron oscillator in a sentence. 用dynatron oscillator造句挺難的