встречаться

см. тж. в какой бы форме ... ни встречался; нередко встречаться; часто встречаться

• Such oxidation states are most often met with.

• This problem crops up (or is encountered) frequently in shock tube reactions.

• Aragonite is found (or occurs, or is encountered) in many localities.

• Plastic materials are not found in their natural form.

• The temperature likely to be met with in practice ...

• These absorption bands do not occur in the vapour phase.

• A nonlinear equation that occurs frequently in scientific work ...

• These features are not encountered in studies of ...

• This forest formation is seldom seen in mature form.

• Tall trees are sometimes present along the streams.

• Occasionally, one comes across a patient with Milroy's disease.

• Such situations often occur in practice.