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單詞乎

umbras

音標(biāo)['?mbr?z]
umbras是什么意思、umbras怎么讀

umbras漢語(yǔ)翻譯

本影；暗影，

umbras英語(yǔ)解釋

n.a region of complete shadow resulting from total obstruction of light

umbras例句

    UMBRAS
    Enhancing NGST Science: UMBRAS
    UMBRAS: a matched occulter and telescope for imaging extrasolar planets
    The Structure of Sunspot Umbras. I. Observations.
    Imaging planets about other stars with UMBRAS
    Emission of Hydromagnetic Waves from Sunspot Umbras.
    Small scale phenomena in umbras and penumbras - The role of convective processes
    Oscillations in sunspot umbras due to trapped Alfven waves excited by overstability
    Imaging planets about other stars with UMBRAS: target acquisition and station keeping
    Motions in solar magnetic tubes. III - Outward wave propagation in sunspot umbras

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