然而，如果拥有一个具有各种不同平台的异构网络，那么需要对每个不同环境重复下一步骤。

If, however, you have a heterogeneous network with a variety of different platforms, you'll need to repeat the next step for each different environment.

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上面描述的三个层提供了一个集成的标准网络平台，以允许服务提供商在服务层中提供各种多媒体服务。

The three layers described above provide an integrated and standardized network platform to allow service providers to offer a variety of multimedia services in the service layer.

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雷神公司将负责提供集成能力以创建网络并加入各种通讯设备、指挥控制应用系统和传感器平台。

Raytheon will provide the integration capability to establish the network and join a variety of communication devices, command and control applications and sensor platforms.

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