97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<dl id="bdofj"></dl>

單項(xiàng)選擇題

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

你可能感興趣的試題

單項(xiàng)選擇題

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

單項(xiàng)選擇題

For COAPAS-SARSAT system,（）process the distress signal from EPIRB to determine its position and identity.

A.COSPAS-SARSAT
B.ground receiving stations
C.spacecraft
D.satellite SAR instrument