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单词 heliogram
释义

heliogram

听听怎么读
英 ['hi:l??ɡr?m]
美 ['hil?rɡr?m]
是什么意思
  • n.

    反光信号;

  • 英英释义

    heliogram[ 'hi:li?uɡr?m ]

    • n.a message transmitted by means of the sun's rays
    学习怎么用

    权威例句

    Exploiting Four Historical Ca II K Spectroheliogram Archives
    Analysis of Ca II K spectroheliogram time-series for solar irradiance studies
    Comparison Among Ca II K Spectroheliogram Time Series with an Application to Solar Activity Studies
    On the experimental determination of the north direction of a heliogram
    An intensity distribution of bright points observed on a CN spectroheliogram
    On the potential value of Ca II K spectroheliogram time-series for solar activity and irradiance studies
    Derivation of the parameters necessary to determine the north direction of a heliogram.
    Solar Differential Rotation in Calcium II K Line Spectra Supported with Spectroheliogram Analysis
    Die Archive solarer Integralaufnahmen und von Spektroheliogrammen des früheren Fraunhofer-Instituts (jetzt: Kiepenheuer-Institut f...
    Die Archive solarer Integralaufnahmen und von Spektroheliogrammen des früheren Fraunhofer-Instituts (jetzt: Kiepenheuer-Institut f...
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