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| 一般电信公司; 普通运营商 | |||
| 其他电信公司当Bell System 垄断美国电信时期，与 Bell System 相竞争的其他电信公司，如微波、数据、传真、图像等通信公司，又称为 specialized common carrier; 其他电信公司当Bell System 垄断美国电信时期，与 Bell System 相竞争的其他电信公司，如微波、数据、传真、图像等通信公司,也称为 specialized common carrier | |||
| English thesaurus | |||
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| OCC | |||
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