electronholen.电子空穴electronn.电子electron microprobe X-ray analyzer电子显微探针X射线分析仪electron beam transmission efficency电子束传输效率electron bombardment melting furnace电子轰击熔炼炉electron-phonon coupling constants电声子耦合系数electron population ratio in channel沟道电子布居率electron-optical image intensifier电光像增强器electron spin resonance spectroscopy顺磁共振光谱学electron back scattering diffraction电子背散射衍射electron-beam parametric amplifier电子束参量放大器electron-transferring flavoprotein电子传递黄素蛋白