proper motion star
基本解釋
- 大自行恒星
英漢例句
- Its aim is to determine the right ascension and declination of the star, its parallax and proper motion.
它要測定恒星的經(jīng)緯度,眡差(即距離),和自行。 - High proper motion normally indicates a nearby star, so displaying proper motion labels is a quick way of spotting such stars.
高自行通常表示是一顆近距離恒星,所以顯示自行標(biāo)簽是確準此類恒星位置的快捷途逕。
雙語例句
專業(yè)釋義
- 大自行恒星