“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	leveling solvent leveling staff level-k thinking leveller Levellers level lifetime level limiting valve level line levelling levelling agent levelling instrument levelling-up level man car level manifold level matching conditions level measurement of flotation machines level measuring device level measuring instrument level meter level monitoring device for drilling fluid circulating pool levelness level n-structure level of abstraction level of a factor level of a field

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