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- 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。
- altitude surveying 高低测量学
- Some people develop altitude sickness when climbing high mountains. 有些人在爬高山时会发生高山反应。
- A line established by sighting in surveying a tract of land. 横断线在测量一块土地时通过目视确定的线
- 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。
- The surveying team pitched on the mountain. 测量队在山上搭起了帐篷。
- Regarded or employed as a standard of reference, as in surveying. 基准的在测量勘定时认为或作为基准的
- 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
- We're out of Davis's office, just surveying. 我们是戴维斯事务所派来搞测绘的。
- 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。
- They are surveying the finished picture. 他们在审视这些精致完美的画像。
- Air pressure decreases with altitude. 气压随海拔高度的增加而下降。
- Quantity Surveying System in U.K. 英国工料测量体系。
- The plane flew at an altitude of 20000 metres. 飞机在两万公尺的高空飞行。
