“group velocity”的概念、定义、翻译、参考文献-科学参考

单词	group velocity
释义	group velocity Encyclopedia 理学声波导释 group velocity群速度波包在空间的传播速度。理学﹝固体动力学﹞释 group velocity群速度波动力学中波群的包络或振幅的最大值在介质中的传播速度，定义为波的频率对波数的偏导数，也是波的能量在介质中传播的速度。 Physics 光学、声学声学 group velocity群速[度] ＞声学＞声学基础理论＞释义 group velocity群速度 group velocity群速^†，群速度 Mathematics group velocity群速度 Astronomy group velocity群速度
随便看	national space law National Space Science Center National Space Science Data Center national spatial data infrastructure National special Olympic Games National Specimen Information Infrastructure national sports National Stadium National Stadium of Singapore national standard national standard for food irradiation National Standard for Physical Exercises national standard material National Standard of Physical Fitness and Health for Students National Standards & Best Practices for U.S. Museums National Standards for United States History national standards for work safety and health National Standards of Printing National Statistical Society of China National Steering Committee for Higher Education of Agricultural Economics and Management National Steering Committee for Urban and Rural Planning Education national stereotypes national stereotyping National stolen car information database National Strategic Plan for Rural Revitalization（2018—2022）

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