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