英语词汇“polar-cap absorption”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	polar-cap absorption
释义	polar-cap absorption polar-cap absorption [′pō·lər ‚kap əb‚sȯrp·shən] (geophysics) Very strong attenuation of radio waves over the polar regions during strong solar flares, due to extremely heavy ionization of the upper atmosphere. Abbreviated PCA.
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