Magnetron has filamentary cathode with small time hearting the shielded cathodic site liquid and air cooling and also the filter built-in by radio.
该磁控管具有加热时间短的阴极，屏蔽阴极，液体和空气冷却，内建无线电滤波。
2
The cathode of the gun may be partially shielded magnetically. The paraxial-ray equation for describing the electron trajectory in the accelerating region is solved in closed form.