electron with-drawing group
【电】 电子单位
electron unit
暂无补充释义。
相关词条
X-Ray Emission Spectrometry, Electron Microscopic
electron microscopy
transmission scanning electron microscope, TSEM
electron probe microanalysis
transferred electron device\nTED\n电子;transferred electron device【电子】
electron microscope
spacing discharge tube, spacing of electron-optical or ion-optical arrangements