diode gun

例句：

1. 1.The diode gun was used to detect the presence of radiation.
   二极管枪被用来探测辐射的存在。
2. 2. The scientist used a diode gun to test the material's electrical conductivity.
   科学家使用二极管枪测试材料的电导率。
3. 3.The military used diode guns as a weapon of mass destruction.
   军方使用二极管枪作为大规模杀伤性武器。