The structure of the MIGmust be carefully selected, as the tiny change on it will affect beam performance highly, and beam current will fluctuate punily.

 
  • 同時(shí),還發(fā)現由于陽(yáng)極結構的變化導致陰極電場(chǎng)分布的變化,使電子注的注電流在各因子變化過(guò)程中出現了微小的擾動(dòng)。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan