secpar
英
['sekpɑːr]
美
['sekpɑːr]
- n. 秒差距(天文距离单位之一)
new
secpar的英文翻译是什么意思,词典释义与在线翻译:
英英释义
Noun:
-
a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years