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- Research on the favourable occasions to determine compass error by observing low solar altitude 观测太阳低高度求罗经差有利时机的探讨
- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- 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。
- We can use solar energy to do many things today. 如今，我们可以利用太阳能做很多事情。
- They accurately predicted solar eclipses. 他们精确地预告了日蚀。
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- He gave a lecture on the use of solar energy. 他就太阳能的利用作了一场讲演。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- 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。
- solar altitude angle 太阳高度角
- The scientist is thinking of a new way of tapping the solar energy. 科学家正在设想一种新的利用太阳能的方法。
- The number of known satellites in the solar system rose to 32. 太阳系里已知的卫星数量增加到三十二个。
- Today is her birthday according to the solar calendar. 按照阳历,今天是她的生日。
- What is the altitude of this village? 这个村子海拔多少?
- Solar calculator shall be wrapped up in seaworthy waterproof paper. 太阳能计算器应以适于航海的防水纸包装。
