large-aperture optical system 大孔径光学系统
Large Aperture Scintillometer 大孔径闪烁仪 ; 大口径闪烁仪 ; 径闪烁仪 ; 泾河流域大口径闪烁仪
large aperture interferometer 大孔径干涉仪
large-aperture antenna 大孔径天线
Large-aperture collimation beam 大口径准直光束
Large Aperture Pro 光圈调节渐变
large-aperture endoscope 大孔径内镜
Large Aperture Optical Component 大口径光学元件
large aperture lenses 大口径透镜直径
The space-borne remote sensor of high resolution is necessary for the development of modem space technology. High resolution should be obtained by an optical system with a large aperture and a long focus.
为了满足应用需求，获取高分辨率的卫星图像，需要发展大口径、长焦距的空间光学系统，但是光学材料、工艺、制造成本和体积重量等的限制，给高分辨率空间遥感器的研制和发射带来极大的困难。
参考来源 - 稀疏孔径光学系统成像研究A new compression scheme of interferential multispectral images is proposed based on the analyses of large aperture static imaging spectrometry.
从图像压缩的角度分析了大孔径静态干涉成像光谱仪成像原理 ,并提出了一种新的遥感多光谱图像压缩方案。
参考来源 - 大孔径静态干涉光谱仪图像压缩技术The principle of the system of interferometer in large aperture image spectrometer has been expatiated. The tackle key problem sample instrument and some experiment data are proposed.
提出了大孔径干涉型成像光谱仪的原理,并展示了攻关样机和实验数据。
参考来源 - 成像光谱技术的研究与发展·2,447,543篇论文数据，部分数据来源于NoteExpress
If star trails are desired, using a large aperture and higher sensitivity (ISO 200-400) can enhance the brightness of each streak.
如果需要星光轨迹，那么使用大光圈和较高感光度(ISO 200 - 400)就能提高每条轨迹的亮度。
You get the same amount of light with a large aperture and a fast shutter speed as you do with a small aperture and a slow shutter speed.
你使用大光圈以及慢速快门所得到的光和你使用小光圈以及高速快门得到的光是一样多的。
Portrait mode chooses a large aperture (a small 'f' number) which will make the depth of field (the amount of your shot in focus) smaller.
人像模式用一个大光圈(f值小)，而让景深(清晰对焦的那部分)变小。
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