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單項(xiàng)選擇題

The GMDSS must combine all various subsystems, because（）.

A.they all have different limitations with respect to coverage
B.they all have different limitations in the technology they use
C.different systems apply to different ships
D.all of above

你可能感興趣的試題

單項(xiàng)選擇題

（）communication are intership VHF radio telephone communication.

A.ship-to-shore
B.shore-to-ship
C.bridge-to-bridge

單項(xiàng)選擇題

The INMARSAT system is open for use by（）countries on a non-discriminatory basis.

A.some
B.lots of
C.many
D.all

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The GMDSS must combine all various subsystems, because（）.

你可能感興趣的試題

（）communication are intership VHF radio telephone communication.

The INMARSAT system is open for use by（）countries on a non-discriminatory basis.

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