• The existence of double-stranded replicative forms was doubted for a time ( биол. ).
• This casts some doubt upon the usefulness of ...
• When atomic species identification is in doubt, ...
• The existence of double-stranded replicative forms was doubted for a time ( биол. ).
• This casts some doubt upon the usefulness of ...
• When atomic species identification is in doubt, ...
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012