A、submarine EPIRB
B、safety EPIRB
C、ship EPIRB
D、survival craft EPIRB
更多“A Class S EPIRB is a（）.”相关的问题
A、operates on both military and civilian aircraft distress frequencies B、transmits both an alerting signal and a homing signal C、must be the float free type and automatically activated D、operates with a greater output of signal power
A、a distinctive signal B、the Morse Code signal for SOS C、a computerized voice announcement of Mayday D、your vessel's International Radio Call Sign
A、One approved Class A EPIRB B、Two approved Class A EPIRBs C、One approved Class B EPIRBs D、Two approved Class B EPIRBs
A、Class A EPIRBs B、Class B EPIRBs C、L-Band EPIRBs D、Category I EPIRBs
A、One approved Category 1 EPIRB B、Three approved Category 1 EPIRBs C、One approved Class B EPIRB D、Two approved Class B EPIRBs
A、approved by the CCS B、designed for float free，automatic activation C、operated on 121.5/243 MHz D、operated manually
A、 Class B’s constructor is public. B、 Class B’s constructor has no arguments. C、 Class B’s constructor includes a call to this（）. D、 Class B’s constructor includes a call to super（）.
A、The address is a Class A address. B、The address is a Class B address. C、The address is a Class C address. D、The address is a Class D address.
A、is primarily designed for vessels operating up to 50 miles offshore or on foreign waters B、transmits a signal that can be detected by satellite C、must be manually activated D、operates in the medium and low frequency bands
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