“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	counterforce counterfort retaining wall counterglow counter-gravity casting counter guarantee counter-hijacking operations command counter-image Countering Lights counter ion counter-ion counterion counterion binding degree counter-jamming counter-Jupiter counterlight counter-majoritarian difficulty countermeasure countermeasure against physiological effects of weightlessness countermeasure of crime countermeasures countermeasures against acute chemical warfare agents posioning countermeasure to polygraph testing countermeasure with active interference countermodulation counter-module

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