| 1. | Rboc regional bell operating company 区域贝尔运营公司 |
| 2. | Regional bell operating company rbo 区域贝尔作业公司 |
| 3. | Regional bell operating company 区域贝尔运营公司 |
| 4. | Bell operating company bo 贝尔运营公司 |
| 5. | Bell operating companies 贝尔运营公司 |
| 6. | Unix - based minicomputer , manufactured by at & t and widely deployed by the bell operating companies prior to divestiture 一种基于unix的微型计算机, at & t生产,贝尔各运营公司在解体前广泛采用。 |
| 7. | A unix - based minicomputer , manufactured by at & t and widely deployed by the bell operating companies prior to divestiture 一种基于unix的微型计算机, at & t生产,贝尔各运营公司在解体前广泛采用。 |
| 8. | No regional bell operating company is presently allowed to own more than 4 . 9 % of the stock of a telecommunications manufacturing company . see divestiture 目前,没有一家地区贝尔运营公司被允许持有一个电信生产厂家4 . 9 %以上的股份。 |