“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	classical degree of freedom classical dependency theory classical descriptive set theory classical differential geometry classical differential operator classical diffusion classical dimension classical domain classical domain of fifth class classical domain of first class classical domain of fourth class classical domain of second class classical domain of sixth class classical domain of third class classical drama Classical Drama Music Monographs classical Drude oscillator model classical dynamical system classical dynamics classical economic population theory classical educational sociology theory classical electrodynamics classical electron radius classical electron theory classical electron theory of metal

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。