短語(yǔ)詞組短語(yǔ)electrostatic convergence focusing field 靜電聚焦場(chǎng)electrostatic convergence focusing 靜電聚焦electrostatic focusing klystron [電子]靜電聚焦速調(diào)管electrostatic focusing lens 靜電聚焦透鏡periodic electrostatic focusing 周期靜電聚焦electrostatic focusing system 靜電聚焦系統(tǒng)electrostatic focusing potentials 靜電聚焦電極電壓electrostatic focusing optimization 靜電聚焦優(yōu)化electrostatic focusing TWT 靜電聚焦行波管 返回 electrostatic focusing