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- Being grateful makes you look at the world through positive lens and energizes your life. 快乐、乐观能让你找到问题的答案；帮你想到更多的点子；
- We will report in this thesis, generation of supercontinuum bottle beam by passing the supercontinuum source through an assembly of an axicon and a positive lens. 摘要:我们于此篇论文报导了成功利用超连续光谱光源通过轴稜锥透镜及正透镜组合产生之超连续光谱光瓶。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- A rectangular negative lens at the front shrinks the scene to match the picture area; a small positive lens at the back makes it easier for the photographer's eye to view this "minified" image. 一个前端的矩形的凹透镜把景象收缩成匹配于照片区域；一个后部的凸透镜使摄影者的眼睛易于观看这个"缩小"的图像。
- Have your glasses got plastic lenses? 你的眼镜是用塑胶镜片的吗?
- One that makes lenses and eyeglasses. 光学仪器制造技师光学透镜和眼镜的制造者
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- MENSURATION OF PARAMETERS OF THE POSITIVE LENS 正透镜参数测定
- This charge is a positive charge. 这个电荷是正电荷。
- One that sells lenses, eyeglasses, and other optical instruments. 眼镜商，光学仪器商出售光学仪器、眼镜或其它光学仪器的人
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- He has a positive attitude towards life. 他对生活持有积极的态度。
- High-quality wide angle lenses are very expensive. 高品质的广角镜头非常昂贵。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- Cameras have lenses at the front. 照相机的前面装有镜头。
- Some of these telescopes have glass lenses in them. 其中一些望远镜里安装着玻璃透镜。
- Are you positive that you saw him? 你肯定你看到他吗?
- These sandstone bodies form elongate lenses. 这些砂岩体形成伸长的透镜体。
