existence /.z.st.ns/ noun the fact or state of being . Warning systems are provided to give an indication of a pos-sible failure or the existence of a dan-gerous condition.
exit /ez.t/ noun 1. the act of going out of a place . The exhaust valve opens to allow for the exit of exhaust gases. .
exit velocity the velocity of exhaust gases from a jet engine 2. a way out exit nozzle /eks.t n.z(.)l/ noun a
pipe or opening through which exhaust
gases leave a jet engine exit point /eks.t p..nt/ noun a posi-tion on the ground above which an air-craft leaving a control zone crosses the boundary
expand /.kspnd/ verb to increase in size, volume or quantity, to enlarge .
Air expands when heated and contracts when cooled.
expansion /.kspn..n/ noun an
increase in size, volume or quantity .
There is an expansion of the gas when it is heated.
expansion chamber /.kspn..n
t.e.mb./ noun a container which allows for expansion of a fluid caused by increase in temperature, etc.
expect /.kspekt/ verb to hope or to assume that something is going to hap-pen . the weather to be expected along a route . We expect flight AC 309 within ten minutes. . as might be expected as people think would happen
‘…by 1959 there were some 40 pilots past age 60 flying the line with the number expected to rise to 250 within the next few years’ [INTER PILOT]
expected /.kspekt.d/ adjective
being thought or hoped to be taking
place . the expected number of passen-gers
expected approach time /.k spekt.d .pr.υt. ta.m/ the time at which air traffic control expects an arriving aircraft to complete its approach for landing, following a delay. Abbreviation EAT
expedite /eksp.da.t/ verb to speed up the progress of . to expedite the evacuation to speed up the evacuation . to expedite the disembarkation to get the passengers off the aircraft quickly
expel /.kspel/ verb to force out, to drive out . Exhaust gases are expelled from the cylinder by the upward move-ment of the piston. . The piston draws fluid into the cylinders on the outward stroke and expels fluid into the system on the inward stroke.
experience /.ksp..ri.ns/ noun 1.
the building up of knowledge or skill over a period of time by an active partic-ipation in events or activities . a pilot with 20 years’ experience 2. an event or incident . The first solo is an experi-ence most pilots never forget. . verb to undergo, participate in or find oneself in a particular situation . It is not unusual to experience traffic delays on the ground prior to departure. . Turbulence can be experienced when flying through a trough.
experiment noun /.ksper.m.nt/ a
scientific test, carried out under control-led conditions, that is made to demon-strate or discover something . Experi-ments have shown that left-handed people often have better hand/eye coor-dination than right handed people. . to conduct an experiment to perform an experiment . verb /.ksper.ment/ . to experiment (with) to carry out a scien-tific test under controlled conditions in order to demonstrate or discover some-thing
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Dictionary of Aviation 航空詞典 上
