- convex polygon凸多边形;
- convex mirror凸镜，凸面镜;
- lens subluxation晶状体半脱位
- single lens reflexn.单镜头，反光照相机;
- 双语例句
1、
A convex lens is used to concentrate rays of light.
凸透镜用于聚集光线.
辞典例句
2、
There are six various plane and concave - convex lens.
备有六种不同面型和凹凸透镜.
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3、
He polished the convex lens of his telescope.
他擦亮了凸透镜的望远镜.
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4、
Two kinds of convex lens which make parallel rays converge to the focal point are given.
本文给出两种能使平行光严格聚焦于一点的凸透镜.
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5、
A convex lens causes rays to converge on a single point, the focal point.
会聚透镜使光线会聚于一点, 即焦点.
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6、
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.
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7、
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.
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8、
Methods Hypermetropia and myopia were induced by convex lens in front of eyes of 32 subjects.
方法在正常眼前放置正、负球镜,人工诱导单纯性远视、近视性屈光参差.
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