It uses satellite to transmit the signal across the oceans,
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送交者: steven 于 2008-04-04, 12:49:45:
回答: 这个奥运圣火是怎么从希腊传到北京的?坐飞机? 由 你太有才了 于 2008-04-04, 12:35:06:
and the signal triggers laser at receiving side to light up the torch.
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