“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	symbolic space symbolic sparse matrix symbolic speech symbolic system symbolic theatre symbolic transfer entropy symbolism symbolism of clothing symbolism, school of symbolist aesthetics symbolization symbolization control table Symbolize symbol learning theory symbol manipulation language symbol map symbol media symbol module symbol O symbol o symbol of a binary composition symbol of a differential equation symbol of a differential operator symbol of an elliptic complex symbol of an equation

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