皮皮学，免费搜题
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【简答题】
( 3 4 x 6 y 5 + 6 5 x 5 y 4 - 9 10 x 4 y 3 )÷ 3 5 x 3 y 3
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皮皮学刷刷变学霸
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【单选题】Your radar displays your ship off center. As you proceed on your course, your ship's marker moves on the PPI scope while echoes from land masses remain stationary. What is this display called?
A.
Off center
B.
true motion
C.
Stabilized
D.
Head up
【单选题】Your radar displays your ship off center. As you proceed on your course, your ship’s marker moves on the PPI scope while echoes form land masses remain stationary. What is this display called?
A.
off center
B.
true motion
C.
stabilized
D.
head up
【单选题】Your radar displays your ship off center. As you proceed on your course,your ship's marker moves on the PPI scope while echoes from land masses remain stationary. What is this display called?
A.
Off center.
B.
True motion.
C.
Stabilized
D.
Head up.
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