“circumhorizontal arc”的概念、定义、翻译、参考文献-科学参考

单词	circumhorizontal arc
释义	circumhorizontal arc [¦sǝr·kǝm´här·ǝ`zänt·ǝl `ärk] ^OPTICS A halo phenomenon consisting of a colored arc, red on its upper margin; it extends for about 90° parallel to the horizon and lies about 46° below the sun.
随便看	earth hummock earth inductor earth inductor compass earthing reactor earth interior earth-layer propagation earthlight earth mound earth movements earthmover earth-nut oil earth orbit earth oscillations earth pig earth pillar earth pressure earthquake earthquake-resistant earthquake tremor earthquake zone earth radiation earth rate earth-rate correction earth resources technology satellite earthrise

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