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In 1947 the pilot of a small aeroplane saw nine strange objects in the sky over Washington. He said ...

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同时关闭PILOT隔离阀,放空PILOT  同时打开PILOT隔离阀,防空PILOT  先关闭PILOT隔离阀,再放空PILOT  先放空PILOT,再关闭PILOT隔离阀  
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RLGAIN_TRAFFIC_PILOT  RLGAIN_SCH_PILOT  A和B  以上都不对  
1947年3月  1947年4月  1947年6月  1947年7月  
1947年11月  1948年1月  1947年10月  
data、pilot、TFCI  data、pilot、TFCI、TPC  data、pilot、TFCI、TPFBI  pilot、TFCI、TPFBI  
used  unusual  small  controlled  
T_ADD,T_DROP和PILOT_INC  T_ADD,T_DROP,T_COMP和T_TDROP  PILOT_INC、T_COMP和T_TDROP  PILOT_INC、T_ADD和T_COMP  
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governor flyweight action on a pilot valve which controls fuel injection  governor flyweight motion acting on fuel controls through suitable linkage  positioning a butterfly valve in the fuel delivery system positioning  a servomotor piston attached to the fuel controls  
small  slow  large  advanced  
controller-pilot data link communications  control pilot using data link communications  communications passed by data link circuit  control pilot using long distancecommunicationstechnology  
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the Sailing Directions Book is also known as Pilot Book  the Sailing Directions Book and the Pilot Book are different books  the Pilot Book is a part of the Sailing Directions  the Sailing Directions Book contains the Pilot Book"  
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