人们在知觉事物时，空间和时间上较接近的对象易被知觉为一组，这种组织、整合的规则称为（)。A．相

A．commoncommunicationsystem

B．distresstrafficsystem

C．basicconceptofGMDSS

D．SARoperationprocedure

A．coordinate in rescue operation

B．send rescue vessels

C．reach the area at once

D．conduct a sector search

A．common communication system

B．distress traffic system

C．basic concept of GMDSS

D．SAR operation procedure

What is the basic concept of GMDSS？

A.Search and rescue authorities shore can be alerted to a distress situation

B.shipping in the immediate vicinity of a ship in distress will be rapidly alerted

C.Shore-side authorities and vessels can assist in a coordinated SAR operation with minimum delay

D.All of these