各沥青结构层承担不同功能，设计的沥青混合料性能应适应各自结构层层位功能需要。

Each asphalt layer assume different function, performance of the designed asphalt mixture should be adapted to their respective structure layer functional requirements.

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无线资源控制子层位于空中接口协议栈的第3层，它主要完成无线资源的控制和管理功能。

RRC lies in the 3 rd sublayer of air interface protocol stack, the main function of which is the control and management of radio resource.

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无线资源控制(RRC)子层位于空中接口协议栈的第3层，它主要完成无线资源的控制和管理功能。

RRC lies in the 3rd sublayer of air interface protocol stack, the main function of which is the control and management of radio resource.

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