基本解釋束腰；光束腰英漢例句雙語例句Under the condition of optical breakdown, a high ratio of laser to sound energy conversion can be obtained with a large laser beam waist radius.在保證光擊穿的條件下，選擇較大的激光焦斑半徑，可提高光聲能量轉(zhuǎn)換效率。But, when the doughnut laser beam is used as trapping light, relative index can be less than 1. The beam waist of focused laser beam has a virtual affection for the trapping force.但是，在空心光束中可以實(shí)現(xiàn)對地折射率粒子的穩(wěn)定捕獲，即粒子的相對折射率可以小于1。By use of the angular-spectrum analysis and the Fourier transform method, a correction method is obtained to describe the propagation of few-cycle pulsed beam with constant beam waist.利用角譜分析和傅里葉變換的方法，得到一種描述幾個周期的等束腰寬度脈沖光束傳輸?shù)拿}沖修正方法。beam waist更多例句詞組短語短語Beam -waist 壓彎的腰multi -beam waist 多光腰optimum beam waist 最佳束腰beam waist radius 光腰半徑beam waist spot size 束腰光斑尺寸beam waist更多詞組專業(yè)釋義數(shù)學(xué)光束腰