英语词汇principal 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	principal focus
释义	principal focus 简明释义主焦点：在光学中，指透镜或反射镜将平行光线汇聚到的点。网络释义 1 [光天]?主焦点 ... 主焦平面：plane principal focal 主焦点：principal focus 主监视器，主监视程序：master monitor ... 短语 1 anterior principal focus 前主焦点 2 the principal focus 主焦点 3 principal focus system 主聚焦系统双语例句 1 Focal length is the distance between optical centre and principal focus. 焦距就是镜片中心和焦点之间的距离。 2 Focal length: The distance between the centre of a lens and its principal focus. 焦距：镜头中心与其主焦点的距离。 3 It's a major focus of the Bank's work, and it might well be the principal focus of the Bank 10 or 15 years from now. 清洁能源是世行工作的一项主要重点内容，而且很可能是今后10 - 15年中世行的一项首要重点内容。同近义词 [光][天]主焦点（等于focal point） primary focus
随便看	resiner resin ester resin exchanger resin exhaustion resin facing resin fiber resin fibre resin fill resin-filled resin-filled joint resin filled rubber resin filling resin fill pump resin fill tank resin film infusion (rfi) resin finish resin finishing resin finishing agent resin finishing agent with super low formaldehyde resin finishing range resinfixed pigment printing resin flake resin flask resin flask with press resin flow model (composite)

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。