英语词汇“optical astronomy”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	optical astronomy
释义	optical astronomy optical astronomy (op -tă-kăl) The study of astronomical objects using radiation with wavelengths from about 300 to 900 nanometers. These wavelengths can pass through the Earth's atmosphere so that observations are possible from the ground. The human eye is sensitive to most of this waveband. See also light; reflecting telescope; refracting telescope.
随便看	have the goods on have the goods on her have the goods on him have the goods on me have the goods on (someone) have the goods on someone have the goods on them have the goods on us have the goods on you have the grace to have the grace to do something have the guts have the guts to do have the guts (to do something) have the guts to do something have the hang of have the hang of (something) have the heart have the heart to have the heart to do have the heart (to do something) have the heart to do something have the honor of have the honor of (doing something) have the honour of

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