【单选题】Leaving no stone unturned in your ______ for the fugitive, gentlemen, I wish you every advantage, for the individual we seek is swift-witted, wily, and capable of the swiftest ______ .
【单选题】The word laser was coined as an acronym for Light Amplification by the Stimulated Emission of Radiation. Ordinary light, from the sun or a light bulb, is emitted spontaneously, when atoms or molecules...
【单选题】The word laser was coined as an acronym for Light Amplification by the Stimulated Emission of Radiation. Ordinary light, from the Sun or a light bulb, is emitted spontaneously, when atoms or molecules...
A.
A device for stimulating atoms and molecules to emit light.