is a satellite-aided SAR system based on low-altitude near-polar
2023-12-01401到530题
is a satellite-aided SAR system based on low-altitude near-polar-orbiting satellites and designed to locate distress beacons transmitting on the frequencies 121.5MHZ and 406MHZ.
A.GPS system
B.NNSS system
C.Inmarsat system
D.COSPAS-SARSAT system
正确答案是D
