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- In this paper starting from the ray path equations of a parabolic defocusing GRIN fiber lens with paraxial conditions, a equation to calculate the effective length of the fibre lens is derived. 从近轴条件下的光线轨迹方程出发,导出了计算抛物型发散梯度折射率纤维透镜有效长度的方程式,并讨论了该纤维透镜大端、小端对目标成像的孔径和视场。
- 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？
- I love my country with every fibre of my being. 我深爱我的祖国。
- 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。
- Scientists are recommending that people eat more fibre. 科学家建议人们多吃些纤维素。
- 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。
- The muscle fibre of this animal is diseased. 这个动物的肌肉纤维产生了病变.
- 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。
- He is a man of strong moral fibre. 他是个道德品性坚强的人。
- 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。
- The cutters for fibre strands are simple in design. 原丝切刀造型简单。
- Sprinkle a spoonful of bran onto the stew to increase the fibre content. 往炖煮的食物上加一匙麦麸，以增加其纤维含量。
- Choose high fibre, lower-fat foods. 选择高纤维、低脂肪食物。
- Fibre Channel is not a new technology. 光纤通道也不是一种新技术。
