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【单选题】The report came to the British on May 21, 1941. The German battleship Bismarck, the most 1 warship in the world, was moving out into the Atlantic Ocean. Her task: to destroy the ships 2 suppli...
A.
end
B.
sea
C.
fight
D.
day
【单选题】最大指示空速用海里/时表示.（）
A.
The maximum instruction airspeeds are shown in nm per hour.
B.
The maximum indicated airspeeds are shown in nm per hour.
C.
The maximum instruction airspeeds are shown in knots.
D.
The maximum indicated airspeeds are shown in knots.
【单选题】若在转向点附近有岛屿、浅滩时必须用（）定位来确认有安全正横距时才能用航迹舵自动转向。
A.
NNSS，GPS
B.
LORAN-C，DECCA
C.
RADAR，LF（陆标）
D.
TNS，SFRm