- retarding field potential
- 减速场势
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
Low-energy electron diffraction — (LEED) is a technique used to characterize the structures of surfaces.History =Davisson and Germer s discovery of electron diffraction= The development of electron diffraction was closely linked to the progress of quantum mechanics and atomic… … Wikipedia
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electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube … Universalium
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