时间：2011-03-11 23:11来源：蓝天飞行翻译 作者：admin 点击：次
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antilogarithm. The number from which a logarithm is derived. The symbol for antilogrithm is log-1. antimissile missile. A missile launched from the surface or from an aircraft to locate and destroy another missile. antimony. A hard, brittle, lustrous, silvery-white metallic chemical element. Antimony’s symbol is Sb, its atomic number is 51, and its atomic weight is 121.75. Antimony expands as it changes from its molten state into a solid state, and because of this, it is an important alloying element with lead for type metal and for making lead-acid storage batteries. antipropeller end (aircraft engine). The end of an aircraft engine opposite the end to which the propeller is attached. Front or back is not always a good way to identify the ends of an aircraft engine, because the engine may be used with the propeller either in front or in back. To identify the ends of an engine correctly, the terms propeller end and antipropeller end are used. The antipropeller end is often called the accessory end. antiseize compound. A lubricant used on threads to prevent their locking together. Antiseize compound is specially needed on spark plugs in reciprocating engines and on threaded fasteners in the hot section of gas turbine engines. antiservo tab. A tab installed on the trailing edge of a stabilator. The tab automatically moves in the same direction as the stabilator to produce a stabilizing aerodynamic force that tries to bring the surface back to a streamline position. An antiservo tab is also called an antibalance tab. antiskid brake system. An electrohydraulic control in an airplane’s power brake system that prevents the wheels skidding on wet or icy runways. |
