"The primary function of the ECDIS is to ____.
A.display all chart information
B.make a contribution to safe navigation
C.comply with the regulations
D.facilitate simple and reliable updating of the electronic navigational charts"
正确答案是B
"The primary function of the ECDIS is to ____.
A.display all chart information
B.make a contribution to safe navigation
C.comply with the regulations
D.facilitate simple and reliable updating of the electronic navigational charts"
正确答案是B