时间：2011-02-23 15:20来源：蓝天飞行翻译 作者：航空 点击：次
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tractor /trkt./ noun 1. an aircraft that has its propeller in front of its engine 2. a propeller in front of an air-craft engine, which has the effect of pulling the aircraft through the air trade winds /tre.d w.ndz/ plural noun steady winds which blow on the side of the sub-tropical highs nearest to the equator . Trade winds maintain their direction over the oceanic areas, especially the Pacific, more than over land areas. traffic /trf.k/ noun the number of aircraft in operation . Standard instru-ment routes are structured to provide the safest and most efficient flow of traf-fic from entry and exit points to the air-field. traffic pattern /trf.k pt(.)n/ noun 1. the shape marked out on the ground of an aircraft track in the aero-drome circuit 2. the pattern of routes that an aircraft must keep to when approaching or circling an airport trailing /tre.l../ adjective referring to something which comes after some-thing else . The trailing brush is posi-tioned behind the main brush on the rotor arm, thereby giving a retarded spark. trailing edge /tre.l.. ed/ noun aft part of an aerofoil . The trailing edge of the wing is the section behind the rear spar and is of light construction because the aerodynamic loads on this area are relatively low. train /tre.n/ verb to teach a person a particular skill . The student pilot is trained to scan an instrument panel, whilst at the same time listening to the aircraft radio and flying the aircraft. . noun a series of connected parts or wheels in machinery . The turboprop turbine transmits increased power for-ward through a shaft and a gear train, to drive the propeller. trainee /tre.ni/ noun a person who is being taught . a trainee pilot transducer /trnzdjus./ noun a device which converts a non-electrical signal into an electrical one . The man-ifold is connected into the pressure ratio transmitter, which consists of a trans-ducer, to sense the pressure ratio, and an associated electrical circuit, provid-ing signals to the servo indicator in the cockpit. transfer noun /trnsf/ the act of passing or moving to another place . External cooling of the engine is neces-sary to prevent the transfer of heat to the aircraft structure. . verb /trnsf/ to pass or to move to another place . It is sometimes necessary to transfer fuel from one tank to another tank. (NOTE: transferring – transferred) transform /trnsf.m/ verb to change completely . The purpose of an actuator is to transform fluid flow into motion, i.e. it converts pressure energy into mechanical energy. . Friction results in some of the power available from a pump being transformed into heat.
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