mean distance

• 平均距离

mean distance的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. the arithmetic mean of the maximum and minimum distances of a celestial body (satellite or secondary star) from its primary

mean distance的用法和样例：

例句

1. A unit of length used for distances within the solar system,equal to the mean distance between the Earth and the Sun.
   用来计算太阳系内距离的单位，等于地球到太阳的平均距离。