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| operator | |||
| operator (A person who controls a machine or system, such as a computer or telephone switchboard); carrier (A company that provides telephone and other communications services to consumers) | |||
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operators : 35 短语, 11 学科 |
| 农业 | 4 |
| 化学 | 3 |
| 医疗的 | 1 |
| 微软 | 8 |
| 技术 | 3 |
| 政治 | 1 |
| 爱好和消遣 | 1 |
| 电子产品 | 2 |
| 能源行业 | 7 |
| 运输 | 1 |
| 通讯 | 4 |