In this article, however, a new method of getting the field distribution in the layer mediums in case of an arbitrary field source is put forward.

本文提供了一种在介质前面有任意源分布时，求取分层介质中场分布的方法。

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The link layer refers to the device drivers providing access to the physical layer, which could be numerous mediums, such as serial links or Ethernet devices.

链路层是指提供对物理层访问的设备驱动程序，这可以是各种介质，例如串口链路或以太网设备。

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