 |
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| Nox n | |||
| 英语 词库 | |||
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| Nitrous Oxides | |||
| Northern Crossroads | |||
| nitrogen-oxygen; nitrous oxide | |||
| Novavax, Inc. | |||
| Nitrogen Oxide | |||
| |||
| oxides of nitrogen; nitrogen oxides (includes NO, N2O, NO2, NO3); Nitrogen Oxides | |||
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nox : 13 短语, 7 学科 |
| 一般 | 1 |
| 技术 | 1 |
| 煤炭 | 3 |
| 环境 | 4 |
| 自然科学 | 1 |
| 自然资源和野生动物保护 | 2 |
| 运输 | 1 |