When the wave period and the apparent rolling period are the same（）.<br>A:synchronous rolling occurs<br>B:roll period decreases<br>C:roll period increases<br>D:roll amplitude is dampened

When the wave period and the apparent rolling period are the same（）.
A:synchronous rolling occurs
B:roll period decreases
C:roll period increases
D:roll amplitude is dampened

出自：海船船员证

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