Unverified95% confidenceFactTime unknown
Iridium是全球唯一实现真正全球覆盖（包括两极地区和海洋）的低轨卫星通信系统，由66颗交叉链路卫星组网，无地面盲区
1
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95%
Confidence
Long-term
Relevance
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First Seen
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