| 单词 | 栅极 |
| 释义 | 〔grid〕A network or coil of fine wires located between the plate and the filament in an electron tube.栅极：在电子管中线极和阳极之间的由导电性很好的电线组成的网络或线圈〔dynatron〕A tetrode with grid and plate potentials so arranged that plate current decreases when plate potential increases.负耗阻性管：由栅极和极板电势组成的四极管，其中当极板电流降低时极板电势反而增加 |
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