см. тж. отсутствовать
• If these values are not available ( or are unavailable ), they may be estimated by the following rules.
• Chemical and physical methods for biotin analyses are not available .
см. тж. отсутствовать
• If these values are not available ( or are unavailable ), they may be estimated by the following rules.
• Chemical and physical methods for biotin analyses are not available .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012