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单词 sunspot
释义

sunspot

听听怎么读
英 [?s?nsp?t]
美 [?s?nspɑt]
是什么意思
  • n.

    太阳黑子;雀斑;

  • 变形

    复数:sunspots

    英英释义

    sunspot[ 's?nsp?t ]

    • n.a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field

      同义词:macula

    学习怎么用

    双语例句

    用作名词(n.)
    1. We observe three sunspot groups on the disc.
      在日面上观测到三个黑子群。
    2. This is an intriguing theory that droughts tie in with the sunspot.
      这是一个关于干旱与太阳黑子活动周期有关的令人感到有趣的理论。

    权威例句

    Sunspot cycle 24: Smallest cycle in 100 years?
    The Sunspot-Activity in the Years 1610[ndash]1960
    Dark cores in sunspot penumbral filaments
    Group Sunspot Numbers: A New Solar Activity Reconstruction
    Sunspot activity and the long-term variation of the Sun's open magnetic flux
    Computing sunspot equilibria in linear rational expectations models
    Investigation of Mass Flows beneath a Sunspot by Time-Distance Helioseismology
    Infrared lines as probes of solar magnetic features. XI. Structure of a sunspot umbra with a light bridge.
    Infrared lines as probes of solar magnetic features. V - The magnetic structure of a simple sunspot and its canopy
    On a Method of Investigating Periodicities in Disturbed Series, with Special Reference to Wolfer's Sunspot Numbers
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