一些因特网服务提供者及网络还不支持多播。

Some ISPs and networks don't support multicasting yet.

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这种商业实体的示例可能是任何因特网入口或者信息服务提供者。

Examples of such business entities would be any Internet portal or information service provider.

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这种商业实体的示例可能是任何因特网入口或者信息服务提供者。

Examples of such business entities would be any Internet portal or information service provider.

youdao