【填空题】
23090.___导轨面直线度超差会使进给机构噪声加大。
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【填空题】
23117.___圆柱凸轮槽的加工前的数学处理步骤如下：①把弧长展开设为 X 坐标值；②把导程设为 Y 坐标值；③利用软件对转变后的 XY 平面曲线进行插值运算，最后生成 XY 平面内的加工代码；④把 X 值___转换成角度值。如果插值点非常多，则可利用 Excel 文件进行处理。
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When somebody is reported hurt on board,maybe it will need______assistance on arrival. ___
A. fire-cart
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In emergency descent procedure,the pilot should turn right______out of the route while descending. ___
A. 40°
B. 30°
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管制员在对空指挥过程中，越是繁忙的时候，语速应___
A. 保持平稳，避免频繁重复指令
B. 尽量快些，才能指挥更多飞机
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【单选题】
According to ICAO,a standard holding pattern should all turn to the______.___
A. right
B. west
C. left
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【单选题】
The standard altimeter setting is______inhpa. ___
A. 1013.20062
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C. 29.92002
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2500f/m rate of vertical speed is equal to______.___
A. 10m/s
B. 15m/s
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陆空通话时，什么时候推荐使用“IMMEDIATELY（立即）”这个词：___
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What is the best course of action for a pilot to follow when thunderstorms are observed along the route of flight? ___
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B. Climb over the thunderstorms
C. Disregard the thunderstorms
D. Take any action to avoid all thunderstorms
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Aeronautical chart is divided into two categories,______. ___
A. Aeronautical map and special type of aeronautical chart
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Aircraft are required to comply with ATC instructions within______.___
A. advisory airspace
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Amendments to the initial clearance will be issued at anytime an air traffic controller deems such action necessary to______.___
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研究表明，当耳机话筒的位置距离嘴（ ）英寸且稍微偏下时，传输的声音质量最佳。（注：1英寸=2.54CM）___
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“I want to divert to shanghai” is equal to______.___
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When an aircraft is being subjected to unlawful interference, the pilot should try to notify _______ of this fact.___
A. the appropriate ATC units
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When pilot say“Did you pick it upon your screen?”,that means______.___
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ATC clearance does not contain______.___
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When pilot sets an altimeter setting to a QNH,that will indicate_________
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A. emergency
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“MAYDAY” is the international RTF______signal.___
A. emergency
B. distress
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According to ICAO definition, a condition concerning the safety of an aircraft or other vehicle or of some person on board or within sight but which does not require immediate assistance is _______ .___
A. urgency
B. dangerous
C. emergency
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______is the accepted standard for worldwide time signal broadcast used for aviation.___
A. GMT
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_____means the level is measured in 1013.2 pha___
A. Level
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An aircraft known or believed to be in a state of emergency should be given______over other aircraft.___
A. way
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管制话筒正确使用方法是：___
A. PTT发射键还没有完全按下时就开始发指令
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Traffic information should include_________
A. direction of aircraft concerned
B. weather
C. speed of aircraft
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The altimeter setting used in en-route flight should be______hpa___
A. 1019
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Larger separations than the specified minima should be applied whenever in.___
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_______is air traffic control service for controlled flights in control areas___
A. Route service
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_______ is a service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid, and assist such organizations as required.___
A. alerting service
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Visibility is the ability as determined by atmospheric conditions and expressed in unit______.___
A. meters
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