单项选择题
A.exhibited B.established C.constructed D.built
Integrated Bridge and Navigation Systems(IBS/INS) provi...
单项选择题Integrated Bridge and Navigation Systems(IBS/INS) provide excellent performance and reliable navigation under all conditions by（）.
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
The lowest point between two waves is called（）.A.though...
单项选择题The lowest point between two waves is called（）.
A.though B.tough C.through D.trough
In summer, monsoon over the South China Sea blows from（...
单项选择题In summer, monsoon over the South China Sea blows from（）.
A.northeast B.southwest C.southeast D.northwest
