单项选择题
A.Clear B.Evident C.Obvious D.Apparently
A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDI...
单项选择题A VESSEL，OTHER THAN A RESCUE UNIT，DESIGNATED TO CO-ORDINATE SURFACE SEARCH AND RESCUE OPERATION WITHIN A SPECIFIED AREA is known as（）.
A.Salving vessel B.Co-ordinator surface search C.MERSAR D.The vessel being salved
（）is not a search pattern.A.Williamson TurnB.ParallelC....
单项选择题（）is not a search pattern.
A.Williamson Turn B.Parallel C.Sector D.zig-zag maneuver
（） is not a search manual.A.MERSARB.IMOSARC.ICAO SARD.S...
单项选择题（） is not a search manual.
A.MERSAR B.IMOSAR C.ICAO SAR D.SOSREP
