時(shí)間：2011-02-23 15:18來源：藍(lán)天飛行翻譯 作者：航空 點(diǎn)擊：次
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curvature /kv.t../ noun a curved shape . curvature of the earth the curving of the Earth’s surface due to the spherical form of the Earth customary /kst.m.ri/ adjective normal or usual . It is customary for the senior cabin supervisor to introduce herself to passengers at the start of a flight. customs /kst.mz/ noun an official department of government concerned with movement of people and freight across national borders . customs aer-odrome an aerodrome, usually near a border or coast, with customs facilities customs duty /kst.mz djuti/ noun same as import duty . the duty payable on a carton of cigarettes cycle /sa.k(.)l/ noun a series of actions which end at the same point as they begin . With the piston engine, the cycle is intermittent, whereas in the gas turbine, each process is continuous. . life cycle of the thunderstorm cell the process of formation, development and decay of a thunderstorm cyclic /s.kl.k, sa.kl.k/, cyclical /s.kl.k(.)l/ adjective referring to or happening in a cycle . Off-shore and on-shore wind patterns are cyclic. cyclone /sa.kl.υn/ noun a system of winds rotating inwards to an area of low barometric pressure . These areas of low pressure are called hurricanes in the Atlantic Ocean, cyclones in the Indian Ocean and Bay of Bengal, and typhoons in the China Sea. Also called low, depression cyclonic /sa.kl.n.k/ adjective refer- ring to air movement, which turns in the same direction as the Earth and which, when seen from above, is anticlockwise in the northern hemisphere and clock-wise in the southern hemisphere . In winter the sub-tropical high retreats and gives way to cyclonic pressure pat-terns which produce cool unsettled con-ditions with rain at times. cylinder /s.l.nd./ noun a device shaped like a tube, in which a piston moves . Smaller aircraft have a static hydraulic system similar to a car, with a master cylinder and individual brake cylinders at each wheel. . cylinder block the casing containing the cylin-ders in a internal combustion engine . cylinder head the removable top part of a piston engine cylinder containing plugs, inlet and exhaust connections and valves cylindrical /s.l.ndr.k(.)l/ adjective with the shape of a cylinder . The mod-ern jet engine is basically cylindrical in shape.
D abbreviation danger area DA abbreviation danger area DAAIS abbreviation danger area activ- |
