送交者: 刚柔 于 2009-03-25, 15:53:31:

回答: 三角视差法 has been the classic methode to measure 由 sohu 于 2009-03-25, 15:44:01:

• so you use distance on earth measure to sun - sohu (211 bytes) 2009-03-25, 15:59:00 (309105)

加跟贴