What’s the advantage when using the satellites?（）<br>A:The message can be directed to the desired location<br>B:The message can follow the earth‟s curvature<br>C:The quality of message can not be affected by climatic<br>D:the range of the message extend and the quality of reception is improved

What’s the advantage when using the satellites?（）
A:The message can be directed to the desired location
B:The message can follow the earth‟s curvature
C:The quality of message can not be affected by climatic
D:the range of the message extend and the quality of reception is improved

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