“velocity spectrograph”的概念、定义、翻译、参考文献-科学参考

单词	velocity spectrograph
释义	velocity spectrograph [vǝ`läs·ǝd·ē `spek·trǝ´graf] ^PHYSICS A mass spectrograph in which only positive ions having a certain velocity pass through all three slits and enter a chamber where they are deflected by a magnetic field in proportion to their charge-to-mass ratio. Also known as velocity-focusing mass spectrograph.
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