“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	vanadium vanadium alloy vanadium-bearing stone coal vanadium dioxide vanadium extraction from stone coal vanadium group element vanadium metallurgy vanadium nitride vanadium ore resources vanadium oxide vanadium pentoxide vanadium redox battery vanadium redox battery (VRB) vanadium redox flow battery vanadium titano-magnetite concentration vanadocene vanadyl Van Allen belt van Allen belt Van Allen belts Van Allen Probes Van Allen radiation belt Van Allen radiation belts Van Arkel arrangement van Biesbroeck's Star

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