класс; группа
- age class
- association class
- class of events
- codominant crown class
- crown class
- dominance class
- frequency class
- modal class
- open-ended class
- quality class
- recombination class
- site class
- year class
класс; группа
- age class
- association class
- class of events
- codominant crown class
- crown class
- dominance class
- frequency class
- modal class
- open-ended class
- quality class
- recombination class
- site class
- year class
New English-Russian biological dictionary . Новый Англо-Русский биологический словарь. 2007