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- As expected the lens suffers an only very marginal wobbling of inner lens tube. 变焦和聚焦控制环的操作也顺畅和准确。
- 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？
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- 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。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- This tube is flexible but tough. 这管子柔软但很坚固。
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- Apply solution to the tube and allow to become tacky. 在内胎上涂抹胶水并让它发粘。
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- A close- up lens is ideal for taking close- up picture. 近摄镜用来拍特写照片最理想。
- He slipped the telescope into a steel tube. 他将望远镜收进一根钢管内。
- The tube is sealed at both ends. 这管子两端是密封的。
- 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。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
