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Dictionary of Aviation 航空词典 上

时间:2011-02-23 15:18来源:蓝天飞行翻译 作者:航空 点击:


degree /d.ri/ noun 1. a level, amount or quantity . the degree of compression the amount of compres-sion . a high degree of safety a high level of safety . to a greater degree more than . to a lesser degree less than
2. a unit of temperature . twenty degrees Celsius (20°C) . twenty degrees Centigrade (20°C) . seventy

67 density altitude
degrees Fahrenheit (70°F) 3. a unit of measurement of an angle equal to 1/360th of a circle – each degree is divided into 60 minutes and each min-utes into 60 seconds . Make a turn to the right at a bank angle of 30°. . an angle of 90° a right angle 4. a unit of direction as measured on a compass . east = 090° . west = 270°
degrees true /d.riz tru/ noun
degrees of direction measured from true north, not magnetic north. Also called true degrees. Symbol °T
dehydration /diha.dre..(.)n/
noun an unwanted and sometimes dan-gerous loss of water from the body .
Dehydration can be avoided by drink-ing plenty of water.
de-ice /di a.s/ verb to remove ice .
The ground crew de-iced the aircraft prior to take-off.
de-icer /di a.s./ noun a device or substance used to remove ice . De-icer spray should be checked to make sure it is not harmful to light aircraft wind-screens.
de-icing /di a.s../ noun the
removal of ice . adjective referring to the removal of ice . de-icing fluid .
anti-icing, icing delay /d.le./ noun a period after the expected time that you have to wait before something happens, the length of time by which something is late . By day, the presence of cloud can cause a delay in clearance of fog. . verb 1. to make late, to cause to be late . Take-off was delayed because of fog. 2. to put something off until later . He delayed telling her the news until they had landed.

 

delayed-action /d.le.d k..n/
adjective in which there is an unusual passing of time between stimulus and response . The door is fitted with a delayed-action lock which operates one minute after the power has been switched off.
deliver /d.l.v./ verb to provide, to give . The motor will continue to run but will deliver only one-third the rated power. . The pump can deliver fuel at the rate of 2,000 gph.
delivery /d.l.v(.)ri/ noun the act of providing or giving . On some pumps, a depressurising valve is used to block delivery to the system.


delivery pressure /d.l.v(.)ri
pre../ noun the pressure normally expected when fuel is being pumped
deluge /deljud/ noun . fire deluge
system demand /d.mɑnd/ noun 1. a need or use caused by necessity . high current demand on a generator a situation requiring the generator to produce a lot of electricity 2. a request which is made firmly . on demand when asked for or ordered . A computer will produce, on demand, a flight plan giving the opti-mum route, levels and fuel. . verb 1. to require as a necessity . Higher operat-ing weights of modern aircraft demand an increase in the number of wheels fit-ted to the landing gear. 2. to ask firmly

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