A double-anode magnetron injection gun has been designed and optimized by EGUN for the gyrotron.The electron beam velocity ratio is 1.53, and the velocity spread is 3.1%.是什么意思_A double-anode magnetron injection gun has been designed and optimized by EGUN for the gyrotron.The electron beam velocity ratio is 1.53, and the velocity spread is 3.1%.在线翻译_英语_读音_用法_例句