现有的装置靠的是亮度差别，可靠性差。
The excising device is based on the brightness difference, and the reliability is bad.
五面镜更便宜更轻，但是成像的质量和亮度差。
This is cheaper and lighter, but generally produces a viewfinder image of lower quality and brightness.
在采用NETD计算红外热像仪的探测距离时，需要计算目标在热像仪探测波段范围内的辐射亮度差。
When the detection range of the IR thermal imager is calculated by using NETD, the target radiation brightness difference must be calculated in the operating wave band.
本文将探讨这种新方法在由左右摄像机增益差而导致立体图对亮度和反差不同时的情况。
Here, it is investigated how the new method reacts to a difference in average luminance and contrast of the left and the right image, caused by a gain difference in the left and the right camera.
相邻帧配准差分去除恒星方法，在处理16位灰度图像时，由于高亮度恒星的插值误差大于目标灰度与背景之差，导致差分不能有效去除恒星干扰。
Registration and difference can't exclude stars when processing the 16-bit gray images because interpolation error of high light star is larger than the difference of target and background.
研究了活性轻质碳酸钙（活性钙）、聚乙烯蜡（PE蜡）、丙烯酸酯（ACR）用量对型材表面光亮度的影响。结果表明活性钙用量越多，型材表面光亮度越差；
The effects of the contents of activated light calcium carbonate, PE wax and acrylic ester(ACR) on the surface gloss of plastics profile shapes were studied.
研究了活性轻质碳酸钙（活性钙）、聚乙烯蜡（PE蜡）、丙烯酸酯（ACR）用量对型材表面光亮度的影响。结果表明活性钙用量越多，型材表面光亮度越差；
The effects of the contents of activated light calcium carbonate, PE wax and acrylic ester(ACR) on the surface gloss of plastics profile shapes were studied.
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