题目内容
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提问人:网友hjy273
发布时间:2022-01-07
[主观题]
The abbreviation PPI in the Sperry Collision Avoidance System means ______.A.plan position
The abbreviation PPI in the Sperry Collision Avoidance System means ______.
A.plan position indicator
B.plain position indicator
C.plane position indication
D.policy proof of interest
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