triode gun

例句：

1. 1. The triode gun was used to fire a high-energy projectile.
   三极管枪被用来发射高能量的弹丸。
2. 2. In the military, the triode gun is often used as a weapon of choice for close-range combat.
   在军事中，三极管枪经常被用作近距离战斗的首选武器。
3. 3. The triode gun has been shown to be an effective tool for precision shooting in target practice.
   三极管枪已被证明是精确射击目标练习的有效工具。