“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	sea ice variation sea-ice water resources of China sea interferometer Sea Island Computational Canon sea island cotton sea-island fiber sea islands management in China sea islands structure sea-keeping abilities of fishing vessel Seal seal sea-land breeze sealant sea-launched launch vehicle Seal Carving of Cha Meng Xuan seal coat Seal Cutting Seal cutting art dictionary sealed auction sealed confidential military documents sealed fence sealed imperial decrees sent by the Grand Council of State sealed motor sealed radioactive source sealed sampling

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