Which equipment is the primary source of generating a locating signal ()
A.DSC only
B.DSC and EPIRB
C.SART and DSC
D.EPIRB and SART
A.DSC only
B.DSC and EPIRB
C.SART and DSC
D.EPIRB and SART
B.Survival craft VHF transceivers that provide a beacon on 121.5 MHz
C.COSPAS-SARSAT EPIRBs
D.SARTs operating on 9 GHz
A、Sole proprietorship
B、Partnership
C、Corporation
D、Limited Partnership
A、Purkinje network
B、SA node
C、AV node
D、His bundle
A、The graph shows the number of cases of X disease in Someland between the years 1960 and 1995.
B、In 1960, the number of cases stood at approximately 100.
C、That number rose steadily to 200 by 1969 and then more sharply to 500 in 1977.
D、From 1988 to 1995 Someland was free of the disease.
A、Brazing
B、OAW
C、SAW
D、Soldering
E、SMAW
A、More families (e.g. in China) could afford travelling abroad
B、Going abroad is easier in terms of transportation
C、Studying overseas is getting more popular in some places of the world
D、The Internet makes it easy to contact foreigners
E、Economical globalisation
F、Global problems call for international cooperation.
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