您要查找的是不是：
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- He uses lens to make things appear clearer. 他用镜片以便看东西更清楚些。
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- Sense is more important than the lense! 射雕兄说的很有道理，学习了！
- A close- up lens is ideal for taking close- up picture. 近摄镜用来拍特写照片最理想。
- In this operation the surgeons implant a new lens (in the eye). 医生在这次手术中给病人(眼球)植入了新的水晶体。
- Principles of Fourier Optics and Diffraction. 傅立叶光学和衍射原理。
- First course in wavelets with fourier analysis II. 小波与傅里叶分析基础2。
- The lense of the camera should be screened from direct sunlight. 应罩上照相机的镜头，使之不受到阳光的直射。
- A Fourier transform does this, but with waves. 傅立叶变化就是这样，但是它是按照波的情况。
- The first one needs the Fourier counterchange. 第1种方法需要进行傅立叶变换计算;
- The gunsight has an infrared lens for night vision. 射击瞄准器装有用于夜间视力的红外线镜头。
- 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。
- What about your eyes sight? Are you warring contact lense? 你的视力如何?你带隐形眼镜么?
- All of the children could well adapt to RGP lense within two weeks. 所有患儿在家长的协助下能安全配戴,无严重的并发症发生。
- The lens hood is used to cover up the lens. 遮光罩是用来遮盖镜头的。
