大多数文件系统都通过缓冲区缓存来相互通信，这种缓存通过缓存最近使用的数据来优化对物理设备的访问。

Most of the file systems communicate through a buffer cache, which is a cache that optimizes access to the physical devices by caching recently touched data.

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另外，相互通信的设备可直接相互通信，或通过一个或多个中间物间接相互通信。

In addition, devices that are in communication with each other may communicate directly or indirectly through one or more intermediaries.

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为此文章对IP电话的标准及IP电话设备的互连互通问题进行了详细介绍。

Aiming at this problem, the paper intro-duces in detail the standards for IP phone and interworking of IP phone equipment.

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