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| English thesaurus | |||
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| NAS (A private, nonprofit research organisation established by a Congressional charter to be the official adviser to the government on scientific and technological matters) | |||
| NAS (USA) | |||
| *S* (Vosoni) | |||
| NAS | |||
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| NAS | |||
| NAS (US) | |||
| National: 8 phrases in 3 subjects |
| Austrian usage | 1 |
| Microsoft | 2 |
| Non-governmental organizations | 5 |