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- STUDY ON THE TRANSDUCER WITH CONICAL LENS FOR ULTRASONIC TESTING 检测用圆锥声透镜换能器的研究
- 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。
- conical lens 圆锥透镜
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- To develop conical cavities during solidification. 形成缩管凝固时形成缩孔
- 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。
- All three seemed sharp and conical in figure. 这三座山都呈尖尖的圆锥形。
- Do you see the red conical buoy ahead? 你看见前面那个红色椎形浮标了吗?
- The central, conical, bony core of the cochlea. 蜗轴耳蜗中央的圆锥形骨质柱轴
- The circular points are really a degenerate conic. 虚圆点实际上是一退化的二次曲线。
- A family of parallel lines cut the conic. 有一组平行线与圆锥曲线相交。
- 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。
- The towers were topped with conical roofs. 这些塔的最上面是锥形顶。
- 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。
