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treated as singular The branch of physics that deals with the behaviour of electrons and electron beams in magnetic and electric fields.
treated as singular The branch of physics that deals with the behavior of electrons and electron beams in magnetic and electric fields.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。