无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<dl id="kab4a"></dl>

單項(xiàng)選擇題

（）is capable of finding any 406MHZ beacons no matter where they are.

A.Local User Terminal
B.Spacecraft
C.Local-mode coverage
D.Near polar orbiting satellites

你可能感興趣的試題

單項(xiàng)選擇題

The COSPAS-SARSAT 406MHZ system was adopted as an element of the GMDSS by IMO in（）.

A.1992
B.1980
C.1984
D.1988

單項(xiàng)選擇題

COSPAS-SARSAT has the function of（）.

A.distress alerting
B.communication
C.broadcasting MSI
D.on-scene communication

<abbr id="8ssjm"></abbr>

<ruby id="8ssjm"><xmp id="8ssjm"></xmp></ruby>