"What is the requirement of a navigator who uses an ECDIS?
A.good navigational knowledge and a professional job attitude.
B.good computer knowledge
C.good system knowledge
D.nothing special"
正确答案是A
"What is the requirement of a navigator who uses an ECDIS?
A.good navigational knowledge and a professional job attitude.
B.good computer knowledge
C.good system knowledge
D.nothing special"
正确答案是A