Dictionary of Aviation 航空詞典下

時(shí)間：2011-02-23 15:20來源：藍(lán)天飛行翻譯 作者：航空 點(diǎn)擊：次

landside /lndsa.d/ noun the part of an airport farthest from the aircraft
lane /le.n/ noun same as air lane lapse rate /lps re.t/ noun the rate at which temperature changes accord-ing to altitude . adiabatic lapse rate the rate at which air temperature decreases as it rises above the Earth’s surface. As the height increases, the temperature decreases.
COMMENT: It has been found that when dry or unsaturated air rises, its rate of fall of temperature with height
(i.e. lapse rate) is constant at 3°C per 1,000 feet. Similarly, descending air warms by compression at that rate. This dry adiabatic lapse rate is normally referred to as the DALR. Air rising and cooling often reaches its dew point temperature, becomes saturated and any further cooling results in condensation and the release of latent heat. Release of latent heat delays the cooling process and the lapse rate at low levels is reduced to 1.5°C per 1,000 feet. This temperature change is called the saturated adiabatic lapse rate and is normally referred to as the SALR.
largely /lɑdli/ adverb mainly, mostly . Heat is transferred from the Earth’s surface upwards largely by con-vection. . The southern hemisphere consists largely of oceans.
laser ring gyro /le.z. r.. da.r.υ/
noun an instrument that uses beams of laser light in a closed circuit to detect whether something is level or not
last /lɑst/ adjective coming or placed after all the others . verb 1. to continue for a period of time . A gust is a sudden increase in wind speed above the aver-age speed lasting only a few seconds. 2. to stay in good or usable condition . A piston engine lasts longer if it is han-dled carefully and serviced regularly. .
the last chapter 1. the final chapter in a book 2. the chapter before the one being read
latent heat /le.t(.)nt hit/ noun
heat taken in or given out when a solid changes into a liquid or vapour, or when a liquid changes into a vapour at a con-stant temperature and pressure . latent heat of fusion the quantity of heat required to convert ice, at its melting point, into liquid at the same tempera-ture . latent heat of vaporization the quantity of heat required to convert liq-uid to vapour at the same temperature . latent heat of sublimation the quantity of heat required to convert ice to vapour at the same temperature
lateral /lt(.)r.l/ adjective referring to the side . Drift is the lateral move-ment of the aircraft caused by the wind.
lateral axis /lt(.)r.l ks.s/ noun
the axis of the aircraft from wing tip to wing tip about which the aircraft pitches up and down. . axis, pitch
latitude /lt.tjud/ noun the angular distance north or south of the Earth’s equator, measured in degrees, minutes and seconds, along a meridian, as on a map or chart, etc. . Parallels of latitude are imaginary circles on the surface of the Earth, their planes being parallel to the plane of the equator. . The centre of London is latitude 51°30’N, longitude 0°5’W. Compare longitude

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