sextant
sextant
[天文学英汉词典]
sextant纪限仪
清制八件大型铜铸天文仪器之一。由一60°弧及瞄准器构成。用来测量天球上任意两天体间角距离的天文仪器。
是什么意思,sextant的解释,sextant的翻译
[新英汉石油技术词典] sextant
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