基本解释脈澤放大英汉例句原聲例句Before the laser, scientists developed a similar device: a maser which stands for Microwave Amplification by Stimulated Emission of Radiation.maser amplification更多例句词组短语短語maser r amplification 脈澤放大maser amplification更多词组专业释义電子、通信與自動控制技術脈澤放大