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| administration | |||
| human operator | |||
| carrier (A company that provides telephone and other communications services to consumers) | |||
| facilities-based carrier | |||
| access provider | |||
| Operators | |||
| air operator; operator | |||
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| operator | |||
| operator gene | |||
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Operators : 74 短语, 13 学科 |
| 一般 | 1 |
| 信息技术 | 21 |
| 商业 | 1 |
| 宗教 | 1 |
| 微软 | 5 |
| 数学 | 2 |
| 核物理 | 1 |
| 电子产品 | 8 |
| 科学的 | 3 |
| 能源行业 | 1 |
| 运输 | 7 |
| 透析 | 1 |
| 通讯 | 22 |