英语词汇“electron lens”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	electron lens
释义	electron lens noun Physics A device for focusing a stream of electrons by means of electric or magnetic fields.An electron lens is used for focusing electrons from a cathode to an anode.... Ruska knew that electrons could be manipulated within a magnetic field, and in the late 1920s, he designed a magnetic coil that acted as an electron lens. The technology, called aberration correction, fixes imperfections on the microscope's electron lenses.
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