I
см. тж. сжиматься ; снижаться ; уменьшаться
• The range in water level between high and low tide is cut down .
• The base flow declines slowly as the ground-water supply dwindles ( or goes down , or reduces ).
• Production will be down ( or reduced ) in the aircraft industry.
• Production has continued to decline ( or drop , or fall off ).
• The yield falls to 80 percent at 1000°.
• In this atmosphere oxygen is reduced to 100 ppm.
• The life of the machine is impaired by excessive heating.
II ( матем. )
• The fraction 4/8 can be cancelled by 2.
• The first terms cancel out only because the second terms do not cancel .
• These terms appear both in the numerator and the denominator, so that they cancel .
III ( анат. )
• The muscles contract under the action of the acid.