词汇	racin'
释义	racin' 🌏赛车旗
随便看	electron electron scattering electron-electron scattering electron-electron screening electron electrostatic accelerator electron energy loss spectroscopy electron-energy loss spectroscopy electron emission electron emission coefficiency electron emission constant electron emission current electron emission decay electron emission density Electron emission mechanism electron emission microscope electron emission microscopy electron emission of metal electron emission part electron emission parts electron emission source electron emissive material electron-emissive material electron emissivity electron emitter electron-emitter cathode electron emitter discharge tube