| 单词 | electron lens |
| 释义 | electron lensnouna combination of static or varying electric and magnetic fields, used to focus streams of electrons in a manner similar to that of an optical lens. Origin of electron lensFirst recorded in 1930–35 Words nearby electron lenselectronic surveillance, electronic tag, electronic transfer of funds, electronic voting, electronic warfare, electron lens, electron micrograph, electron microscope, electron multiplier, electron-neutrino, electron optics Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for electron lenselectron lens nouna system, such as an arrangement of electrodes or magnets, that produces a field for focusing a beam of electrons Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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