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.
随便看	not just any —— Notkerian not know from nothing not know if one is coming or going not know one is born not know one's arse from one's elbow not know shit not know shit from Shinola not know someone from a bar of soap not know someone from Adam not know that not know the first thing about not know the meaning of the word not know what hit one not know what to do with oneself not know where (or which way) to look not know where to put oneself not know which way (or where) to turn not least not let the grass grow under one's feet not-life not likely! not like the look (or sound) of not-living not long ago

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。