我在寒冷的室外测试这种灯，有几次室外的温度甚至达到了零下5度，但这种灯始终表现不俗，照亮了我厨房的一个角落。
So I've been recharging it outside in the cold, including days when the windchill factor was about minus 5, and it worked fine, illuminating a dim corner of my kitchen.
利用红外灯阵模拟空间外热流前，需对灯阵的热流密度不均匀度进行测试。
Before simulating the infrared influx using infrared lamp array, it is necessary to measure the uneven influx distribution.
三：看LED灯带表面的清洁度。
它可以装备2个12公斤重的摄像机和强光灯，且该定位器转速能达到60度每秒。
It can aim two 12-kilogram cameras and high-intensity lights at a speed of 60 degrees per second.
纵向角度(灯与灯杆间角度)分四种角度：0度，5度，10度，15度。
Vertical Angle (Angle between the poles and lights) 4 angles: 0 degrees, 5 degrees, 10 degrees, 15 degrees.
描述了投影显示关键参数（分辨率、对比度、投影光学、系统的光通量、彩色化、灯及屏幕）及优化方法。
The key parameters of projection display, including resolution, contrast, projection optics, optical throughput, color, light source and screen and their optimum method were described.
描述了投影显示关键参数（分辨率、对比度、投影光学、系统的光通量、彩色化、灯及屏幕）及优化方法。
The key parameters of projection display, including resolution, contrast, projection optics, optical throughput, color, light source and screen and their optimum method were described.
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