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- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- 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。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- solarization density 负感密度
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- 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。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- 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。
- The population density is evened out. 种群密度亦趋于均匀化。
- The solar cell can convert the energy of sunlight into electric energy. 太阳能电池能把阳光的能量转化为电能。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- This wave of excess density is sound. 这种过剩密度的波就是声波。
- The density logger consists of a radiation source. 密度测井仪包括辐射源。
