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开放系统互连服务
| 约定
| 开放系统互连服务 | |
| comp., net. | OSI service |
| 约定 | |
| gen. | engagement; promise |
| econ. | engagements |
| hydroel.st. | stipulation |
| interntl.trade. | commitment; enter into commitment |
| manag. | appoint |
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| OSI service | |||
| 开放系统互连服务: 5 phrases in 3 subjects |
| Computer networks | 2 |
| Electronics | 2 |
| Telecommunications | 1 |