“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	dissolver dissolving metal reduction Dissolving Objection dissonance dissymmetric dissymmetrical dissymmetric ejection dissymmetric expansion dissymmetric mode dissymmetry dissymmetry of scattering distal distal convoluted tubule distal dynamical system distal face distal femoral fracture distal flow distal function distality distal limb distal pair of points distal pole distal protection device distal-proximal points combination，distal-proximal points association distal stimulus

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