elongation greatest eastern
基本解释
- [測繪科學技術]最大東距角
英汉例句
- Mercury – the solar system's innermost planet – is at its greatest eastern elongation today.
水星——太陽系最裡麪的行星—今天是東部最大的延伸。 - At greatest eastern elongation, Mercury swings farthest east of the sun, and briefly appears as an evening "star" after sunset.
這是水星是最大程度的在太陽東部的延伸,這是今晚日落後最簡短的一次顯示。 - Don't tarry when looking for Mercury. Even at its greatest eastern elongation, Mercury sets less than 1.5 hours after the sun tonight.
在尋找水星的時候,無須駐足等候。即便処在東大距,日落之後不到1個半小時,水星便下沉了。
雙語例句
专业释义
- 最大東距角