часто встречаться
см. тж. нередко встречаться; широко распространён
• Uridine is frequent among ...
• Basaltic volcanics are abundant (or frequently occur) in some areas.
• Such viruses are of frequent occurrence.
• Brown fat occurs extensively in species which hibernate.
• This phenomenon is common (place) (or widespread, or usual) along the English and French coasts.
• This problem is widely met (or encountered) in practice.
Источник:
Русско-английский научно-технический словарь
на Gufo.me