I
см. тж. вносить вклад в; значительно ~; обострять; повышать; усиливать
• The advantages of computing technology could be multiplied many times if ...
II
см. тж. повышать
• The vortexes contribute significantly to the lift of the aircraft.
• Curves and fillets add strength.
• The formation of dust adds to the explosion hazard.
• The coating considerably extends (or prolongs) the life of these alloys.
• With binoculars, this range can be (greatly) extended.
• This magnifies (or enhances, or augments) the aerodynamic moment. Production could be stepped up (or increased, or raised) quickly.
• The high light intensities available from laser sources can contribute to the homogeneous line width.
• The increased speed of operation ups (жарг.) the production.
• The lense enlarges (or magnifies) the image two-fold.
• The figure is scaled up.
III
• This factor contributes to the confusion.