Русско-английский научно-технический словарь
необходимый
см. тж. требуемый
• In order to carry out the needed (or required, or necessary) numerical estimates ...
• Appropriate amounts of malt sprouts were added to ...
• In this case high tensile strength arid corrosion resistance are (critical) requirements.
• Some revisions seem imperative.
• Having set the requisite number of bolts in ...
• The potentiometer offers the wanted performance characteristics.