“second moment method”的概念、定义、翻译、参考文献-科学参考

单词	second moment method
释义	second moment method Encyclopedia 工学激光参数测量方法释 second moment method二阶矩法利用激光束宽正比于光束横截面上功率密度分布的二阶中心矩这一原理定义、测量光束束宽的方法。
随便看	polyhedral embedding polyhedral flame polyhedral form polyhedral formula polyhedral function polyhedral game polyhedral graph polyhedral group polyhedral homology manifold polyhedral manifold polyhedral metric polyhedral model polyhedral neighborhood polyhedral number polyhedral projection polyhedral set polyhedral skeletal electron pair theory polyhedral skeletal electron pair theory (PSEPT) polyhedral skeleton polyhedral space polyhedral subdivision polyhedral surface polyhedral theory polyhedral topology polyhedrane

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