см. тж. интенсивно ~
• The use of such materials is under investigation ( or under study , or under discussion , or being discussed ).
см. тж. интенсивно ~
• The use of such materials is under investigation ( or under study , or under discussion , or being discussed ).
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012