题目内容

The laser is completely harmless to the human body.

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Laser weapons have no disadvantages and will not be affected by weather conditions.

The laser can be welded in the air and a certain gas environment.

The weapon system is mainly composed of ( ).

A. Laser
B. Tracking device
C. Aiming device
D. Launching devices.

The reason why the laser can become a powerful weapon is because it has three levels of destructive ability: ( ) .

Ablative effect
B. Shock effect
C. Radiation effect
D. Butterfly Effect