“horizontal danger angle”的概念、定义、翻译、参考文献-科学参考

单词	horizontal danger angle
释义	horizontal danger angle [´här·ǝ`zänt·ǝl `dān·jǝr ´aŋ·gǝl] ^NAVIGATION The maximum or minimum angle between two points on a chart, as observed from a craft, indicating the limit of safe approach to an off-lying danger. Also known as danger angle.
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