optical technology satellite
技术情报局(Office of Technical Services);光学技术卫星(Optical Technology Satellite);轨道技术(试验)卫星 (Orbital Technical Test Satellite);枕颞沟(Occipital Temporal Sulcus 光学技术卫星 (optical tec...
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This paper mainly compared the optical fiber, digital microwave and satellite communication in technology and economy.
本文着重对光纤、数字微波和卫星通信几种传输方式进行经济、技术比较。
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