1.
Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.
配戴低度凸透镜可降低小学生近视的发生率。
2.
Conclusion Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.
结论配戴低度凸透镜可降低小学生近视的发生率。
3.
A planoconvex lens used to concentrate light.
凸透镜用来聚光的凸镜
4.
meniscus (shaped) lens
凹凸透镜，弯月形透镜
5.
Having greater curvature on the convex side than on the concave side.Used of a lens.
凸凹的凸面比凹面曲度更大的。用来指透镜
6.
Shaped like a biconvex lens.
双凸透镜状的形状像双凸透镜的
7.
A convex lens is used to concentrate rays of light.
凸透镜用于聚集光线。
8.
large convex lens produces image that is viewed through the eyepiece.
通过目镜观察物体图像的大的凸透镜。
9.
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
10.
Having greater curvature on the concave side than on the convex side.Used of a lens.
凹凸的凹面曲率大于凸面曲率的。用于指透镜
11.
a single convex lens is used to produce an enlarged image.
能够产生放大图像的单个凸透镜。
12.
He focused the sun's rays on a paper with a burning-glass.
他用一面凸透镜把阳光聚焦在纸上。
13.
The Study of Measuring Convex lens Focal Distance with CCD;
用CCD测量凸透镜焦距实验的研究
14.
A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens.
聚光器用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组
15.
Every lens has a mounting flange with which it is attached to the camera body.
每个透镜都有一个安装凸缘，依靠它才能把透镜安装到相机上。
16.
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。
17.
He focused the sun's ray on a piece of paper with a burning-glass.
他用一面凸透镜把阳光在纸上聚成焦点。
18.
embossed film
(带半圆凸透镜层的彩色电视录象用)浮雕影片