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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spread /spred/ noun an extension of the area covered or affected by some-thing . Measures are taken to prevent the spread of fire. . verb to extend the area of something . Strong jets of water should not be used on a liquid fire as this may cause the fire to spread. . The system sprays a quantity of fluid onto the windscreen, which is then spread by the wipers. (NOTE: spreading – spread) spring /spr../ noun 1. a metal device which, when under tension, tries to resume its previous position . The pitch lock piston is held in the forward posi-tion by a spring. 2. the season between winter and summer squall /skw.l/ noun a sudden increase in wind speed lasting for sev-eral minutes . Surface squalls are due to the spreading out of strong down draughts at the surface. . Even with a light mean wind speed, squalls of 50 kt (knots) or more can occur with sudden changes in direction. square /skwe./ noun a shape with 4 equal sides and 4 right angles . adjec-tive shaped like a square . a square panel square foot /skwe. fυt/ noun a unit of measurement of area, which is one foot long by one foot wide square metre /skwe. mit./ noun a unit of measurement of area, which is one metre long by one metre wide . The room is 5m x 9m so the area is 45 square metres (45m2). square root /skwe. rut/ noun divider of a quantity that, when multi-plied by itself, gives the quantity . 3 is the square root of 9. squawk /skw.k/ noun an identifica-tion code. . transponder . verb to acti-vate specific modes, codes or functions on a transponder . Garbling occurs when two signals are received simulta-neously and can be resolved either tech-nically or by making one of the aircraft squawk. squeeze /skwiz/ verb to press hard from opposite directions . Static seals, gaskets and packing are used in many locations, and these effect a seal by being squeezed between two surfaces. SR abbreviation sunrise SS abbreviation sunset SSR abbreviation secondary surveil- lance radar stabilise /ste.b.la.z/, stabilize verb to become steady and unchanging . After the engine has been started, engine speed is increased to 1,000 r.p.m. (revolutions per minute) until cyl-inder head and oil temperatures have stabilised at normal operating tempera-tures. stabiliser /ste.b.la.z./, stabilizer noun a device to improve the tendency of an aircraft to return to its original attitude after being deflected COMMENT: Some aircraft have an all-moving tailplane called a ‘stabilator’ (a combination of the words stabiliser and elevator). stabilitator /st.b.l.te.t./ noun . 217 stall warning system |
