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- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样,双凹透镜也可以缩小。
- Just as a double convex lens enlarges,so a double concave lens reduces. 正象双凸透镜可以放大那样,双凹透镜也可以缩小。
- Just as a double convex lens enlarges, so a double concave lens reduces 正象双凸透镜可以放大那样,双凹透镜也可以缩小。
- double concave lens 双凹透镜
- A concave lens causes rays to diverge as though they are coming from a focal point. 发散透镜使光线分开,就好象从焦点上发出来的那样。
- The surfaces of the concave lens may be proportioned so as to aberrate exactly equal to the convex lens. 凹透镜的表面可以进行均匀处理,以便使像差完全与凸透镜一致。
- Effects of concave lens on eyes of guinea pig 凹透镜对豚鼠眼生长及屈光发展的影响
- massager,massagist,concave lens,dent,dented,dirge, 按摩师;凹透镜;凹陷;凹面;哀乐,安眠药,案板
- A METHOD IN DETERMINING THE FOCAL LENGTH OF A CONCAVE LENS 一种测量凹透镜焦距的方法
- A Method for Measuring the Focal Length of Thin Concave Lens 一种测量薄凹透镜焦距的新方法
- A METHOD OF MEASURING PRECISELY THE RADIAL OF A CONCAVE LENS 一种较精确测量凹透镜球面半径的方法
- Measuring the focal length of concave lens using collimator 利用准直管法测凹透镜的焦距
- He is working double tides to finish his essay. 他日夜苦干,赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的?
- Reserve double room June fourth to tenth inclusive. 预订双人房间,六月四日至十日,共六晚,望订妥复电。