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- Usually, a large aperture lens will give better results. 若使用大光圈的镜头,效果当然更理想。
- Observant photographers have noticed that not all lenses are created equal: large aperture lenses show strong out-of-focus effects while small-aperture lenses lead simply to a softening of the image. 细心的摄影者会发现不是所有的镜头都是一样的:大光圈的镜头呈现强烈的失焦效果,而小光圈的镜头只是稍微的让图像柔化一些。
- Based on Collins formula and ABCD propagation matrix theory,the propagations of laser beams with different profiles through an aperture lens are analyzed and compared under the same laser beam power and initial beam width in this paper. 基于柯林斯公式和ABCD传输矩阵理论 ,在相同激光功率和初始束宽下 ,研究了不同空间分布光束通过聚焦光学系统的传输特性。
- Abstract: From the Helmholtz equation, the optical field analytical expression of an ultrashort pulse propagating through a small aperture lens was acquired with chromatic and spherical aberration. 摘 要: 从亥姆霍兹方程出发,考虑透镜的色差和球差,得到了超短脉冲经过小数值口径透镜后光场的解析表达式;
- From the Helmholtz equation, the optical field analytical expression of an ultrashort pulse propagating through a small aperture lens was acquired with chromatic and spherical aberration. 摘要从亥姆霍兹方程出发,考虑透镜的色差和球差,得到了超短脉冲经过小数值口径透镜后光场的解析表达式;
- From the propagation theory of partially coherent light, spectral anomalies and spectral switches of Gaussian Schell-model beams focused by an astigmatic aperture lens are studied. 从部分相干光的传输理论出发,研究了高斯谢尔模型光束通过光阑像散透镜聚焦的光谱异变和光谱开关。
- The aperture in the door is so wide. 门上的孔隙太大了。
- short focal length high aperture lens 短焦距强光力物镜
- We saw light through a small aperture in the wall. 我们透过墙上的小孔看到了亮光。
- Extended Field Elliptical Aperture Lens 可扩展扫描椭圆孔镜头
- aperture len 孔隙透镜
- Len has interviewed many famous persons. 兰采访过许多名人。
- Len sits on the right side of the classroom. 兰坐在教室的右边。
- Len Deighton has/commands a large readership. 莱恩·戴顿有很多读者.
- An aperture through which matter is discharged. 输出口,喷嘴物体被释放出的开口
- Len remained obstinately silent. 莱恩固执地一言不发。
- Barry and Len are acquaintance, not friends. 巴瑞和林是熟人,不是朋友。
- The only light came through a narrow aperture. 仅有的光来自一个小孔。
- Len - Defines how many frames the build will take. 定义多少帧造型将会被建造。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries