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- A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set. 一种防治近视眼的理疗器，它有作为物镜的凸透镜、镜筒、目镜，还有头套和透镜组，它用于人们在近距离上长时间用眼时戴在眼上，可以使被视物的像清楚、放大和变远。
- An Aluminium Alloy for Lens Cone 镜头筒铝合金的研制
- Keywords Dyeing property;Aluminum allo;Lens cone; 染色性能;铝合金;镜头筒;
- Composition Selection of Lens Cone for Aluminum Alloy Casting 镜头筒铝合金铸件成分选择
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- The boy gobbled up an ice-cream cone. 那个男孩大口大口地吃完了一个蛋卷冰淇淋。
- 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。
- An ice cream cone in the afternoon tided Mary over until supper. 玛丽下午吃的一个蛋筒冰淇淋帮她维持到了晚餐时分。
- 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 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。
- Having the shape of a cone resting on its apex. 陀螺形的形状象陀螺或倒置的圆锥的
- Now we cone to the main item on the agenda. 现在我们着手讨论议事日程上的主要议题。
- A large crater formed by volcanic explosion or by collapse of a volcanic cone. 火山口火山爆发而形成的环形山或大山核心部分的崩塌而形成的环形山
- Saw-dust piled up in a great cone. 锯屑堆积如山。
- 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。
