http://blog.roodo.com/camduck/archives/5476299.html/ zh-tw Roodo Blog System All Rights Reserved http://zh.wikipedia.org/wiki/%E7%A7%92 或是查詢幾個專有名詞,如: 國際度量衡委員會(法文簡名CIPM) 國際天文聯合會(IAU) 動力時(Dynamical Time) 原子時(Atomic Time) 大概可以知道目前全球公認的"秒"的長度與來由 不過要追朔史上第一秒,似乎還沒確定的答案]]> http://blog.roodo.com/camduck/archives/5476299.html http://blog.roodo.com/camduck/archives/5476299.html#comment-15801109 文章回應 Mon, 18 Feb 2008 19:52:15 +0800 http://blog.roodo.com/camduck/archives/5476299.html http://blog.roodo.com/camduck/archives/5476299.html#comment-15720799 文章回應 Thu, 07 Feb 2008 10:25:53 +0800 http://blog.roodo.com/camduck/archives/5476299.html http://blog.roodo.com/camduck/archives/5476299.html#comment-15693369 文章回應 Mon, 04 Feb 2008 13:07:54 +0800 http://blog.roodo.com/camduck/archives/5476299.html http://blog.roodo.com/camduck/archives/5476299.html#comment-15688615 文章回應 Sun, 03 Feb 2008 19:08:29 +0800 http://blog.roodo.com/camduck/archives/5476299.html http://blog.roodo.com/camduck/archives/5476299.html#comment-15687591 文章回應 Sun, 03 Feb 2008 13:36:23 +0800 http://blog.roodo.com/camduck/archives/5476299.html http://blog.roodo.com/camduck/archives/5476299.html#comment-15678093 文章回應 Sat, 02 Feb 2008 06:30:48 +0800 http://blog.roodo.com/camduck/archives/5476299.html http://blog.roodo.com/camduck/archives/5476299.html#comment-15672089 文章回應 Fri, 01 Feb 2008 10:51:38 +0800