GSM是以下哪个的简称（）<br>A:Global System for Mobile communications<br>B:Global Standard for Mobile cellular<br>C:General Standard for Mobile cellular<br>D:General System for Mobile communications

GSM是以下哪个的简称（）
A:Global System for Mobile communications
B:Global Standard for Mobile cellular
C:General Standard for Mobile cellular
D:General System for Mobile communications

出自：移动L1认证

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