“nacreous clouds”的概念、定义、翻译、参考文献-科学参考

单词	nacreous clouds
释义	nacreous clouds [`nā·krē·ǝs `klau̇dz] ^METEOROLOGY Clouds of unknown composition, whose form resembles that of cirrus or altocumulus lenticularis, and which show very strong irisation similar to that of mother-of-pearl, especially when the sun is several degrees below the horizon; they occur at heights of about 12 or 18 miles (20 or 30 kilometers). Also known as mother-of-pearl clouds.
随便看	airways forecast airways observation air wedge air well Airy differential equation Airy disk Airy function Airy isostasy Airy phase Airy points Airy spirals Airy stress function aisle aisleway Aistopoda Aitken dust counter Aitken nuclei Aitken nucleus counter Aitken's formula Aitoff equal-area map projection AI Velorum stars hybridization hybridization probe hybridized orbital hybrid junction

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