下面协议子层不属于用户面的是？（）

下面协议子层不属于用户面的是？（）A．RLCB．GTPUC．RRCD．UDP

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Robots came into the world as a literary device whereby the writers and film-mak

Robots came into the world as a literary device whereby the writers and film-makers of the early 20t

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Text 2"It can't be that every annual salary negotiation makes it a strain just t

Text 2"It can't be that every annual salary negotiation makes it a strain just to begin the school y

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智商是智力测验中的一个重要概念，简称IQ，其公式表述为（）。

智商是智力测验中的一个重要概念，简称IQ，其公式表述为（）。单项选择题 A、IQ＝智力年龄/实际年龄×100%B、IQ＝智力年龄/实际年龄×100C、IQ＝实际年龄/智力年龄×100%D、IQ＝实际年龄/智力年龄×100

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Text 2"It can't be that every annual salary negotiation makes it a strain just t

Text 2"It can't be that every annual salary negotiation makes it a strain just to begin the school y

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