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- Since these rays do not actually meet, they cannot form an image without a condensing lens of sort. 由于这些光线实际上不相交，如果不用某种会聚透镜的话，它们是不能成像的。
- 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。
- condensing lens 聚光透镜
- condensing lens system 聚光透镜系统
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- condensing len 聚光透镜
- Your quartz clocks are quite salable on our market. 你们的石英钟在市场上卖得不错。
- A close- up lens is ideal for taking close- up picture. 近摄镜用来拍特写照片最理想。
- Clear, colorless quartz; rock crystal. 水晶，石英透明的无色石英；石英
- 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。
- A light yellow variety of quartz. 一种淡黄色的石英
- The quartz clock keeps very good time. 石英表走得很准。
- DongHai Quartz Glass Products Inc. 东海石英制品总厂。
- Joyful: Here is condensing the fresh hope. 欣喜：这里凝聚着生的希望。
- Foshan Blue Sea Quartz Stone Co., Ltd. 佛山市蓝海石英石材有限公司。
