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单词 density correction
释义 density correction
[`den·sǝd·ē kǝ`rek·shǝn]
AEROSPACE ENGINEERING
A correction made necessary because the airspeed indicator is calibrated only for standard air pressure; it is applied to equivalent airspeed to obtain true airspeed, or to calibrated airspeed to obtain density airspeed.
ENGINEERING
1. The part of the temperature correction of a mercury barometer which is necessitated by the variation of the density of mercury with temperature.
2. The correction, applied to the indications of a pressure-tube anemometer or pressure-plate anemometer, which is necessitated by the variation of air density with temperature.
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