时间:2011-02-23 15:20来源:蓝天飞行翻译 作者:航空 点击:次
regular movement between extremes . Ridge waves can be thought of as oscil-lations about the stable state of the undisturbed air flow with the range of hills providing the disturbance. 2. a reg-ular increase and decrease of electrical current . The supply is subject to oscil-lation. oscillator /.s.le.t./ noun an elec-tronic circuit that produces a pulse or a signal at a particular frequency . The local oscillator replicates the radio fre-quency of the frequency generator at the transmitter. out /aυt/ adverb . out of away from, no longer in outboard /aυtb.d/ adverb in a direction away from the centre of an air-craft . adjective situated away from the main body of an aircraft and towards the wing tips outbound /aυtbaυnd/ adjective, adverb towards a destination away from a VOR . The aircraft flies outbound from the beacon along the airway and inbound to the facility at the other end of the leg. . outbound traffic aircraft flying away from an airfield outbreak /aυtbre.k/ noun a sudden start . Showers are local outbreaks of precipitation from detached cumulus or cumulonimbus. . Hand operated fire extinguishers are provided to combat any outbreaks of fire in the flight crew compartment and passengers cabins. outer /aυt./ adjective 1. external . Pneumatic de-icer boots are made from vulcanised rubber fabric with an outer covering of neoprene. 2. positioned away from the centre . Winds near anti-cyclones are normally light near the centre, but tend to be stronger towards the outer edges. 3. . outer wing the part of the wing nearest the tip outer marker /aυt. mɑk./ noun an ILS marker beacon, usually on cen-tre line of approach at about 4.5 nm from the runway threshold outflow /aυtfl.υ/ noun flow in an outward direction . The outflow valve is controlled by the cabin pressure con-troller. outgoing /aυt.υ../ adjective going out . There is a fall of temperature until about one hour after dawn when incom-ing solar radiation balances outgoing terrestrial radiation. Opposite incom-ing outlet /aυtl.t/ noun a passage for exit or escape . The air leaves the compres-sor outlet and passes through a matrix assembly of the secondary heat exchanger. . When the controlling super-charger outlet pressure is reached, the capsule is compressed suf-ficiently to open its bleed valve. outline /aυtla.n/ noun 1. a line around the shape of something . Warn-ing labels have a solid red outline. 2. a shape . At low level, features are most easily recognised from their outline in elevation. . Cumulus cloud has detached domes or towers which are generally dense and have sharp out-lines. . verb to explain simply and briefly . The changes in conditions out-lined in the next paragraph. 165 overload out-of-balance turn /,aυt .v,b.l.ns 't3:n / noun a turn in which the aircraft ‘skids’ upwards and outwards from the turn or ‘slips’ inwards and downward 0 During an out-of-balance turn, the ball in the slip indicator will be deflected to the left or right. |