関連ワード:  what is the purpose of a communication satellite    what is the function of a communication satellite    what is the use of a communication satellite    what is the primary purpose of a communication satellite    what is the purpose of a transponder in satellite communication    what is the use of communication satellite class 5    what is the role of communication satellite    what is the primary function of a satellite communication system    what is the role of satellite communication in drr    what is the primary use of communication satellites  
結果 : what is the purpose of a communication satellite