Which of the following is NOT true of a laser system
A: It is able to make its way through water.
B: It is able to communicate with submarines at work.
C: Its beam reaches a submerged submarine with the help of an antenna.
D: It is able to carry more data than low frequency waves.
A: It is able to make its way through water.
B: It is able to communicate with submarines at work.
C: Its beam reaches a submerged submarine with the help of an antenna.
D: It is able to carry more data than low frequency waves.
举一反三
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