您要查找的是不是：
- Polaris tables for determining latitude from sextant altitude and for azimuth 北极星方位和测者纬度改正量表的编排方法
- A medieval instrument, now replaced by the sextant, that was once used to determine the altitude of the sun or other celestial bodies. 星盘一种中世纪的仪器，曾用来测量太阳或其它天体的高度，现在已被六分仪取代
- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- The airliner flew at an altitude of 20000ft. 客机在两万英尺的高度飞行。
- At this altitude you often get strong winds. 在这一纬度地区，经常有大风。
- The plane flew at an altitude of30000 feet. 飞机在三万英尺的高空飞行。
- sextant altitude 六分仪高度
- sextant altitude correction 六分仪高度修正
- Some people develop altitude sickness when climbing high mountains. 有些人在爬高山时会发生高山反应。
- The pilot blacked out for a moment upon reaching such a high altitude. 飞机上升到这样高度时，飞行员昏厥了片刻时间。
- The plane was then flying at an altitude of 8000 feet. 当时飞机在八千英尺的高度飞行。
- What can you use the Sextant of the Sea Elves for? 六分仪有什么用?
- What is the altitude of this village? 这个村子海拔多少?
- The altitude of the lowest layer of clouds. 云幕高度最低层云的海拔高度
- A medieval instrument,now replaced by the sextant,that was once used to determine the altitude of the sun or other celestial bodies. 星盘一种中世纪的仪器，曾用来测量太阳或其它天体的高度，现在已被六分仪取代
- A medieval instrument,now replaced by the sextant,that was once used to determine the altitude of the sun.or other celestial bodies. 星盘一种中世纪的仪器，曾用来测量太阳或其它天体的高度，现在已被六分仪取代
- Winds vary with time, altitude, and location. 风随时间、高度和位置而变化。
- Stop altitude squawk, difference 1000feet. 停止高度应答，高度误差1000英尺。
- Air pressure decreases with altitude. 气压随海拔高度的增加而下降。
- Before he dies,the unfortunately man hands you his Sextant. 在那个不幸的人临死之前，他给了你他的六分仪。
