waist extended 中文意思是什麼
waist extended
解釋
松腰圍-
Abstract : the rules of ganssian light beams extended by lens are disscussed firstey, and the relation between the optimum waist extended and focal distance of the lens are found out
文摘:首次討論了用透鏡來擴展高斯光束的一般規律,找出了最佳擴展束腰與透鏡焦距的關系
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