英语词汇beam expansion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	beam expansion
释义	beam expansion 简明释义光束膨胀：指光束在传播过程中，其横截面尺寸的变化现象。网络释义短语 1 gaussian beam expansion 高斯束展开法 2 expansion beam 伸缩梁 ; 光束扩展 3 beam mode expansion 光束模式展开法双语例句 1 The front of the beam expansion system is also provided with a dust proof mirror. 在其扩束系统前面还设有一个防尘镜。 2 The beam expansion method is suited to approximate the weakly truncated beams in the far field. 光束模式展开法可用于近似计算远场的弱截断光束。 3 With applications to a three-span continuous beam bridge, the comparative of some methods of mode shape expansion and updating is researched. 针对某三跨连续梁桥，对几种振型扩展与修正的方法进行了比较研究。
随便看	instantaneous sound particle displacement instantaneoussound particle displacement instantaneous sound particle velocity instantaneoussound particle velocity instantaneous sound pressure instantaneous sound pressure instantaneous source instantaneous space instantaneous speciation instantaneous specific heat instantaneous spectrum instantaneous speech power instantaneous speed instantaneous speed change instantaneous speed change rate instantaneous speed regulation instantaneous squib instantaneous stability instantaneous stand-by instantaneous stand by instantaneous state instantaneous state of velocity instantaneous state recorder instantaneous stiffness instantaneous stop

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