Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.<br>A:Echoes from a buoy<br>B:Own ship's marker<br>C:Echo from a ship on the same course at the same speed<br>D:Echo from a ship on a reciprocal course at the same speed

Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.
A:Echoes from a buoy
B:Own ship's marker
C:Echo from a ship on the same course at the same speed
D:Echo from a ship on a reciprocal course at the same speed

出自：海船船员证

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