送交者: wangle 于 2005-1-12, 17:22:11:

回答: I don't think so. It must be Simultaneously in terms of absolute time 由 HunHunSheng 于 2005-1-12, 17:12:57:

而是任何时候,任何两点都可以,只要是同时测定.

• That is my original question: how to you make sure 同时测定 - HunHunSheng (157 bytes) 2005-1-12, 17:26:33
  • 测量最短距离,就保证它是夏至中午,当然还要测出两地连线和这时影子的角度. - wangle (0 bytes) 2005-1-12, 17:32:21
    • Noon at one city might be ahead of or lag behind the noon at the other city - HunHunSheng (0 bytes) 2005-1-12, 17:34:21
      • It is still possilbe to get simultaneity if you really want it - wasguru (105 bytes) 2005-1-12, 21:29:41

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