英语词汇“双黑子周期”的翻译、意思、用法、释义-英汉汉英词典

单词	双黑子周期
释义	双黑子周期double sunspot cycle
随便看	output degree output delay output--delivery output dependence output design output device output-device output device control output device positioning output digit output digital data output directory output display area output display unit output distribution scheme output document output driver output driver program output efficiency output element output enable output--end output energy output energy of a pulse output energy stability