“sight-reduction tables”的概念、定义、翻译、参考文献-科学参考

单词	sight-reduction tables
释义	sight-reduction tables [`sīt ri¦dǝk·shǝn ´tā·bǝlz] ^NAVIGATION Tables for performing sight reduction obtained by the use of a sextant or octant, particularly those sights for determining computed altitude for comparison with the observed altitude of a celestial body to determine the altitude difference for establishing a line of position.
随便看	Charpit's method Charpy test charring ablator chart chartaceous chart catalog chart comparison unit chart convergence chart datum chart desk charted depth charted visibility chart house chartlet chartometer chart projection chart reading chart recorder chartreusin chart room chart symbol chart table Charybdis chase chase mortise

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