变换: vary; alternate; commutation ...电子发射: electron emission转换电子发射: conversion electron emission变换电子: ce conversion electron; conversion electron电子发射: electron ejection; electron emission; electronic emission spectrum电子发射极: electron emitter电子发射率: electron emissivity; electronic emissivity; emission电子发射面: electron emitting area电子发射器: electronic emitter电子发射体: electro emitter; electron emitter光电子发射: photoelectron emission; photoelectronic emission冷电子发射: cold electron emission热电子发射: hot electron emission; hot-electron emission; thermal electron emission; thermionic emission; thermo-electronic emission; thermoionic emission阳电子发射: positron emission正电子发射: positron emission; positron radiation; positron-emitting变换电子光谱: conversion spectrum场致电子发射: field electron emission次级电子发射: secondary electron emission电子发射表面: electron emitting surface电子发射部件: electron emission parts电子发射常数: electron emission constant电子发射电流: electron emission current电子发射光谱: electronic emission spectrum电子发射密度: electron emission density电子发射能谱: electro eemission spectra
