4G is the fourth generation wireless technology adopted by the( ) and carriers around the worl

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问题 4G is the fourth generation wireless technology adopted by the(  ) and carriers around the worl

选项 A、IEEE
B、ISO
C、ITU
D、ETU

答案C

解析 本题考查4G方面的基本知识。
4G是第四代无线技术,由ITU建议并在世界各国采用的通信技术。
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