physical data link network layer的意思|示意

The structure of physical layer, link layer and application layer was applied in field-bus of network control, data was gained through cyclic query of principal and subordinate PC in link layer.

控制网络现场总线采用物理层、链路层和应用层结构。链路层以主从循环查询获取数据。

OSI/RM classify the structure of the network into application layer, presentation layer, session layer, transport layer, network layer, data link layer and physical layer.

OSI/RM将计算机网络将网体系结构划分为应用层、表示层、会话层、传输层、网络层、 数据链路层和 物理层七个层次。

But the intrinsic error exists in PP model for the effect of the data link layer and physical layer, and the incorrect result is obtained by filter algorithm when the network load is heavy.

由于受数据链路层和物理层的影响，PP测量模型本身存在着固有的测量误差；当网络负载较重时，PP测量模型就不能够通过过滤算法得出正确的测量结果。

The thesis chooses the four-layers structure as the rudiment of our protocol stack system, which includes physical layer, data link layer, network layer and application layer.

本文选择了四层结构作为协议栈体系结构的雏形，即：物理层、数据链路层、网络层、应用层。

This paper mainly discussed the technology of frequency management of communication network based on the physical layer and the data link layer.

本文主要研究了基于该协议物理层和数据链路层的通信网频率管理技术。

The various network device drivers run at the interface layer, which receives and transmits data from and to the physical link.

各种网络设备驱动程序在接口层运行，该层从物理链路接收数据，并向物理链路传输数据。