 |
| Russian | English |
| частота встречаемости | frequency of occurrence (The number of times a given event occurs at specified sample points during a defined period.  biologyonline.com Oleksandr Spirin) |
|
| Russian | English |
| частота встречаемости | frequency of occurrence (The number of times a given event occurs at specified sample points during a defined period. biologyonline.com Oleksandr Spirin) |