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| 英语 词库 | |||
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| Specialized system software used to perform particular computerized functions and routines that are frequently required during normal processing (Examples of utility programs include sorting, backing up and erasing data) | |||
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utility : 62 短语, 12 学科 |
| 化学 | 2 |
| 建造 | 8 |
| 微软 | 2 |
| 技术 | 3 |
| 机场和空中交通管制 | 1 |
| 法律 | 22 |
| 测谎 | 1 |
| 石油/石油 | 1 |
| 经济 | 16 |
| 航空 | 3 |
| 道路交通 | 2 |
| 道路工程 | 1 |