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| 英语 词库 | |||
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| each ear (лат. auris utro) | |||
| arbitrary unit (произвольная единица semfromshire) | |||
| angstrom unit (Vosoni); arbitrary units; atomic unit | |||
| arithmetical unit | |||
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| absorbance unit; arbitrary unit; astronomical unit | |||
| Alma Urbs ("beloved city", Rome) | |||
| antitoxic unit; Angstrom Unit | |||
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| Allen and Unwin | |||
| above and under | |||
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| above and under | |||
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| attached/unassigned | |||
| a.u: 4 短语, 3 学科 |
| 一般 | 2 |
| 天文学 | 1 |
| 林业 | 1 |