“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	aerophone aerophotogram aerophotogrammetry aerophotograph aerophotography aerophysics aeroplane Aeroplane and Armament Experimental Establishment aeroprojector aeropulse aero-radiator aeroscope aeroseb HC aeroseb-HC aerosiderite aerosiderolite aerosimplex aerosol aerosol absorption aerosol analysis aerosol and smoke generation aerosol chemistry aerosol complex refractive index aerosol filter sampler aerosol fire extinguishing system

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