“ultimate lines”的概念、定义、翻译、参考文献-科学参考

单词	ultimate lines
释义	ultimate lines [`ǝl·tǝ·mǝt `līnz] ^ASTRONOMY Special spectral lines that can be used to indicate the existence of an element in the sun or other star.
随便看	cathode crater cathode dark space cathode disintegration cathode drop cathode efficiency cathode emission cathode fall cathode follower cathode glow cathode interface capacitance cathode interface impedance cathode keying cathode layers cathode modulation cathode ray cathode-ray oscillograph cathode-ray oscilloscope cathode-ray output cathode-ray storage tube cathode-ray tube cathode-ray tuning indicator cathode-ray voltmeter cathode resistor cathode spot cathode sputtering

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