例句與造句

1. For vacuum tubes, a grid bias voltage is often applied to the grid electrodes for the same reason.
2. A "'grid-leak detector "'is a thermionic valve ( UK, Australia, NZ etc . ), or vacuum tube ( USA ), circuit used in older vacuum tube grid bias voltage necessary for proper operation from grid current that occurs in all vacuum tubes due to electrons attracted to the grid during the positive part of the RF cycle.
3. It's difficult to find grid bias voltage in a sentence. 用grid bias voltage造句挺難的