• In aerospace manufacturing this is a necessity ( or a must ).
• Money for scientific research is a scarce resource and it is imperative that it be used as efficiently as possible.
• In aerospace manufacturing this is a necessity ( or a must ).
• Money for scientific research is a scarce resource and it is imperative that it be used as efficiently as possible.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012