... Long ball 长球， 远球 Long aperture 长间隔球穴 Long iron 长铁杆 系指现代的铁杆，其杆面斜角较小，这是设计来再球道上击出又常又准的一球 ...
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A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
Long, narrow corridor of the temple, only for him to fight over her flashlight aperture light the way forward.
寺院的走廊长而狭窄，只有她为他打过来的手电筒光圈照耀前路。
Through the system optimization, the analysis of aberration and differential thermal, the designed system is simple, light weight, large aperture, long focal, and good temperature adaptability.
该系统具有结构简单、质量轻、口径大、焦距长、失真小以及良好温度适应性等特点。
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