送交者: Amargi 于 2011-01-27, 11:55:24:

回答: 我不认为中国在索马里上空有同步卫星 由 历历 于 2011-01-27, 11:45:16:

• I think China has only one relay geosat. I could be wrong, - steven (95 bytes) 2011-01-27, 12:14:07 (541681)
• “３颗间隔１２０度”？从数学立体几何上讲，我不明白你说的啥子。 (无内容) - 历历 (0 bytes) 2011-01-27, 12:09:10 (541675)
  • 似乎至少要有４个卫星才能同步覆盖全球，　I could be wrong. (无内容) - 历历 (0 bytes) 2011-01-27, 12:19:02 (541687)
    • no. 4 is need for position, not communication. - steven (39 bytes) 2011-01-27, 12:20:48 (541691)
      • 2个卫星就可覆盖球体，但结合部处及附近效果不佳所以要多加 (无内容) - catfish (0 bytes) 2011-01-27, 13:08:47 (541722)
        • That is impossible, for two points to maintain LOS from - steven (72 bytes) 2011-01-27, 13:16:52 (541724)
          • oops, "for two points to maintain LOS from each other and everywhere..." (无内容) - steven (0 bytes) 2011-01-27, 17:14:43 (541834)
• 技术上讲中国能做得到。但是不可能为这事专门扔几个卫星啊。 - 历历 (116 bytes) 2011-01-27, 12:02:23 (541667)

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