navigational sextants
导航六分仪
marine sextants
海洋六分仪
optical sextants
光学六分仪
modern sextants
现代六分仪
historical sextants
历史六分仪
digital sextants
数字六分仪
traditional sextants
传统六分仪
used sextants
二手六分仪
antique sextants
古董六分仪
precision sextants
精密六分仪
mariners often rely on sextants for navigation at sea.
海员们常常依赖六分仪进行海上导航。
sextants were essential tools for explorers in the 18th century.
六分仪是18世纪探险家必不可少的工具。
using sextants requires a good understanding of celestial navigation.
使用六分仪需要对天文导航有很好的理解。
the accuracy of sextants can greatly affect a ship's course.
六分仪的准确性会极大影响船只的航向。
many sailors have mastered the art of using sextants.
许多水手掌握了使用六分仪的技巧。
before gps, sextants were the primary tool for determining position.
在GPS出现之前，六分仪是确定位置的主要工具。
during the voyage, they frequently checked their position with sextants.
在航行过程中，他们经常用六分仪检查自己的位置。
modern navigation has evolved, but sextants are still used by enthusiasts.
现代导航已经发展，但六分仪仍然被爱好者使用。
learning to use sextants can be a rewarding experience for sailors.
学习使用六分仪对水手来说是一次值得的经历。
he demonstrated how to take readings with sextants during the class.
他在课堂上演示了如何使用六分仪进行测量。
navigational sextants
导航六分仪
marine sextants
海洋六分仪
optical sextants
光学六分仪
modern sextants
现代六分仪
historical sextants
历史六分仪
digital sextants
数字六分仪
traditional sextants
传统六分仪
used sextants
二手六分仪
antique sextants
古董六分仪
precision sextants
精密六分仪
mariners often rely on sextants for navigation at sea.
海员们常常依赖六分仪进行海上导航。
sextants were essential tools for explorers in the 18th century.
六分仪是18世纪探险家必不可少的工具。
using sextants requires a good understanding of celestial navigation.
使用六分仪需要对天文导航有很好的理解。
the accuracy of sextants can greatly affect a ship's course.
六分仪的准确性会极大影响船只的航向。
many sailors have mastered the art of using sextants.
许多水手掌握了使用六分仪的技巧。
before gps, sextants were the primary tool for determining position.
在GPS出现之前，六分仪是确定位置的主要工具。
during the voyage, they frequently checked their position with sextants.
在航行过程中，他们经常用六分仪检查自己的位置。
modern navigation has evolved, but sextants are still used by enthusiasts.
现代导航已经发展，但六分仪仍然被爱好者使用。
learning to use sextants can be a rewarding experience for sailors.
学习使用六分仪对水手来说是一次值得的经历。
he demonstrated how to take readings with sextants during the class.
他在课堂上演示了如何使用六分仪进行测量。
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