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- Camera extension: The length of bellows in a process camera. It is the distance between the lens diaphragm and the image plane. 相机伸长度:制版照相机的暗箱长度。即是镜头光圈与影像平面之间的距离。亦称像距。
- Camera extension The length of bellows in a process camera. It is the distance between the lens diaphragm and the image plane. 相机伸长度制版照相机的暗箱长度。即是镜头光圈与影像平面之间的距离。亦称像距。
- Diffraction: When light rays pass close to opaque surfaces, such as the blades of a lens diaphragm ,they are scattered 衍射:当光束靠近经过不透明表面，如镜头光圈的叶片时，它会散开。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- The diaphragm draws air into the lungs. 横膈膜向下运动让空气进入肺部。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- The diaphragm is between the chest and the abdomen. 横隔膜位于胸腔与腹部之间。
- 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。
- 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。
- They will cause the speaker diaphragm to vibrate. 它们将引起扬声器薄膜振动。
- 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。
- lens diaphragm 透镜膜片
- Winston's diaphragm was constricted. 温斯顿的心不由得一紧。
- opening lens diaphragm 透镜光阑孔
- They are bridged by a thin diaphragm. 它们中间有薄膜相连。
- 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。
