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The velocity reduces from F to G.

Cooling occurs when the pressure is reduced.

The mountains gradually decrease in elevation.

Productivity tapered off markedly towards the end.

Production has continued to decline.

The suction pressure declined to 0.4 in. of water.

The collector current drops (off) (or falls (off), or decreases).

The yield falls to 80% at 1000°.

The pressure on the cylinder is relieved.

The electron's energy is slightly lowered.

Источник: Русско-английский научно-технический словарь на Gufo.me