A.may always be complete and up-to-date
B.may not always be complete and up-to-date
C.may sometimes be complete and up-to-date
D.may not sometimes be complete and up-to-date
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A.exhibited
B.established
C.constructed
D.built
A.integrating well-proven, harmonizing equipment
B.integrating all equipment in the bridge
C.an intelligent platform with ECDIS and Radar
D.the control center based on ECDIS
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