问题
单项选择题
（）provides a paper trace of course steered by the vessel against time.
A.The echo sounder
B.The radar
C.The course recorder
D.The direction finder
答案
参考答案：C
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（）provides a paper trace of course steered by the vessel against time.
A.The echo sounder
B.The radar
C.The course recorder
D.The direction finder
参考答案：C