联网功能被内置到操作系统内核中。

Networking built into the operating system core.

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联网功能部件至今没有经过适当地调整(特别是网络透明性)。

Networking features are not properly tuned as yet (especially network transparency).

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出于成本和复杂性的考虑，大多数设备并不具备广域网联网功能。

For cost and complexity reasons, most devices do not have wide-area networking capabilities.

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