“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	housing association housing construction housing construction area housing construction industry housing construction management housing difficulty housing discount Housing, Environment, Urban-Rural Construction housing filtering housing for all housing for low-income migrant population housing for replacement housing for the elderly Housing for the Machine Age housing-income ratio housing industrialization housing map housing model housing planning technical standards housing policy housing price housing renewal housing repair project of No.2 East Beijing Road, Shanghai housing reverse mortgage endowment insurance housing right

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