“marine sextant”的概念、定义、翻译、参考文献-科学参考

单词	marine sextant
释义	marine sextant Encyclopedia 工学〔其他导航仪表〕释 marine sextant航海六分仪手持式，用以测量天体高度或物标夹角的精密光学仪器，因其分度的弧长约为圆周长的1/6而得名，是古老的用以测定船舶位置的航海仪器。
随便看	Wiktionary Wilbert Kumalija Chagula Wilbur Norman Christiansen Wilcoxon Wilcoxon confidence interval Wilcoxon nonparametric criteria Wilcoxon rank sum test Wilcoxon signed sum test Wilcoxon statistic Wilcoxon test Wilcoxon test statistic Wilczek, Frank Wilcznski plot Wilczynski Wilczynski directrix wild Wild 2 Comet wild algebra wild amaranth wild animal conservation wild animal conservation law wild animals wild animals nature reserve wild animals with important ecological, scientific and social values wild animal traditional Chinese medicine

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