下中天 meaning in English
inferior passage
inferior transit
lower culmination
lower transit
Examples
- On the contrary , an object reaches its lowest position when passing through the semi - circle which includes the nadir and the nearest celestial pole , and this phenomenon is called lower culmination
经过包括天顶的那半个子午圈时，天体到达最高位置，称为上中天。经过包括天底的那半个子午圈时，天体到达最低位置，称为下中天。