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| low-density language (Foreign Language Center, Defense Language Institute Alex_Odeychuk); less-commonly taught language (Foreign Language Center, Defense Language Institute Alex_Odeychuk) | |||
| non-core language (контекстуальный перевод на русс. язык Alex_Odeychuk); hard-to-find language (Alex_Odeychuk); little-known language (Alex_Odeychuk); rare language (Alex_Odeychuk) | |||
low-resource language (such as Latvian, Welsh, and Swahili  openai.com, economist.com Alex_Odeychuk) | |||
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| uncommonly taught languages (the ~ Alex_Odeychuk) | |||
| rare languages (Alex_Odeychuk) | |||
| uncommon languages | |||
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редкий язык : 6 a las frases, 2 temas |
| Educación | 3 |
| Lingüística | 3 |