传播卫星 传播卫星 传播卫星 传播卫星(Communication satellites) (Communication satellites) (Communication satellites) (Communication satellites)： ：： ： 它可将地面甲地的电话讯息、电...
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通过测量信号在卫星和天线之间传播所需的时间，汽车的位置可以被锁定在100米误差之内。
By measuring the time required for a signal to travel between the satellites and the antenna, the car's location can be pinned down within 100 meters.
这颗卫星设计的目的是研究太阳磁场以帮助科学家更好地理解它的能量怎样传播穿过太阳大气的不同层。
The satellite is designed to study the sun's magnetic field to help scientists better understand how its energy propagates through different layers of the sun's atmosphere.
三个卫星信息传播系统集中在世界上的美国、欧洲和中国，用于收集这些环境资料。
Three GEONETCast centres around the world—in America, Europe and China—receive these environmental data from the outfits that collect them.
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