“二阶矩法”的概念、定义、翻译、参考文献-科学参考

单词	二阶矩法
释义	二阶矩法 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	counting complexity counting constant counting cup counting efficiency counting fractions over 1/2 as one and disregarding the rest counting fractions over 1/2 as one and disregarding the rest; rounding; half adjust counting function counting generalized principle counting inspection counting labeled tree counting machine counting measure counting method of viable bacteria counting number counting of collection counting off counting polynomial counting principle counting problem counting process counting rate counting rate meter counting ring counting rods counting rule

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