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"手表会从全球六个发射站接收信号以矫正时间"这也算新科技??看来这里的人都不了解手表,只了解电子产品而已。
我的确不了解,提问:怎么做到的……什么玩意,哪怕是卫星,能覆盖全球(卫星有信号强度和成本问题)?
進了北京地鐵還能校正時間嗎?
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Reader Comments (Page 1 of 1)
nickel @ Aug 3rd 2008 9:15PM
"手表会从全球六个发射站接收信号以矫正时间"
这也算新科技??看来这里的人都不了解手表,只了解电子产品而已。
WilliamGates @ Aug 3rd 2008 9:27PM
我的确不了解,提问:
怎么做到的……什么玩意,哪怕是卫星,能覆盖全球(卫星有信号强度和成本问题)?
Michael @ Aug 3rd 2008 10:10PM
進了北京地鐵還能校正時間嗎?