internal beam current

例句：

1. 1. The device uses an internal beam current to power itself.
   该设备使用内部束流电流来供电。
2. 2.The research team found that the internal beam current was responsible for the failure of the circuit.
   研究团队发现，内部束流电流是导致电路故障的原因。
3. 3. The scientist used an internal beam current to study the behavior of the particles.
   科学家使用内部束流电流来研究粒子的行为。