英语词汇lens focus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	lens focus
释义	lens focus 简明释义透镜焦点透镜聚焦网络释义 1 ?镜头焦距 ... 5.0million 500万 Lens focus镜头焦距 mm毫米 ... 2 ?透镜焦点 ... 物镜 [物理学] objective; objective lens; object glass 透镜焦点 focal point of lens; lens focus 透镜焦度 power of lens ... 短语 1 long-focus lens 长焦距透镜 ; 光,摄长焦距镜头 ; 长集距镜头 2 lens ' focus 透镜焦距 3 Lens focus mm 焦距双语例句 1 The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof. 本发明提供一种以凸透镜焦点为焊接热源的方法及其焊接装置。 2 A new method of measuring the lens focus is presented, which is based onthe principle of transformation of the Gauss laser beam. 根据透镜对高斯激光束束宽的变换原理，提出了一种由变换前后发散角的变化确定透镜焦距的新方法。 3 The method to measure the lens focus with laser speckle is described. The principle of this method is analysed and verified by experiment. 本文描述了利用激光散斑测量透镜焦距的方法，并对该方法进行了原理分析和实验验证。
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