ECDIS should be capable of（）all chart information necessary for safe and efficient navigation originated.<br>A:Exhibiting<br>B:Existing<br>C:Demonstrating<br>D:Displaying

ECDIS should be capable of（）all chart information necessary for safe and efficient navigation originated.
A:Exhibiting
B:Existing
C:Demonstrating
D:Displaying

出自：海船船员证

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