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| 推荐性标准; 推荐标准 | |||
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| 推荐标准 | |||
| English thesaurus | |||
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| RS (as in RS-232, EIA) | |||
| RS (EIA); RS; RS (EIA; as in RS-232) | |||
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| RS | |||
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| RS | |||
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recommended standard : 8 phrases in 4 subjects |
| Aviation | 4 |
| Business | 1 |
| Economy | 1 |
| Telecommunications | 2 |
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