您要查找的是不是：
- This paper presents a new linear scanning optical system,which consists of a pair of microlens arrays in the Galilean telescopic geometry and a common convergent lens. 本文介绍了一种新型的线性扫描光学系统，它由一对处于望远型结构的微透镜阵列和一个普通的会聚透镜组成。
- Has two converging lens system; the objective and the eyepiece. 有两个会聚镜头系统;物镜和目镜。
- It's an easy matter to observe chromatic aberrations, with a thick, simple converging lens. 用一厚的简单会聚透镜很容易观察色差。
- 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。
- convergent lens 聚光镜
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- Meeting or tending to meet at the same point; convergent. 聚集的在或向同一点会合的; 汇集
- has two converging lens system; the objective and the eyepiece 有两个会聚镜头系统；物镜和目镜
- 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。
- If a sequence is not convergent, it is divergent. 如果一个序列不收敛，我们称它发散。
- chromatic aberrations, with a thick, simple converging lens. 用一厚的简单会聚透镜很容易观察色差。
- Failing to approach a limit; not convergent. 发散的无极限的，没有收敛的
- 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。
