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单词 heliometer
释义

heliometer

听听怎么读
英 [hi:l?'?m?t?]
美 [?hili'?m?t?]
是什么意思
  • n.

    太阳仪;测日仪;

  • 英英释义

    heliometer[ ,hi:li'?mit? ]

    • n.an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope
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