单项选择题
A.Satellite network B.Satellite link C.GMDSS D.Satellite system
For ships equipped with an SES, it is（）and（）for the ope...
单项选择题For ships equipped with an SES, it is（）and（）for the operator to send a distress alert.
A.easy/reliable B.difficult/cheap C.stable/compulsory D.easy/expensive
In the COSPAS-SARSAT system distress signals are proces...
单项选择题In the COSPAS-SARSAT system distress signals are processed by（）and the resulting data are forwarded to（）through（）communication network.
A.MCC/LUT/RCC B.LUT/MCC/RCC C.LUT/RCC/MCC D.LUT/RCC/LUT
The COSPAS-SARSAT system can provide distress alerts to...
单项选择题The COSPAS-SARSAT system can provide distress alerts to the appropriate rescue authorities（）.
A.at sea B.on land C.in the air D.throughout the world
