The difference between these two scenarios may have implications for how these supernovae can be used as "standard candles" — objects of a known brightness — to track vast cosmic distances.
这两种图景之间的差异可能会与超新星被当成“标准烛光”(也就是亮度已知的天体)来测量遥远宇宙距离的方式有关。
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.
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。
Common kernel function RBF only has a local characteristic, with the measurement of the difference in brightness according to the Euclidean distance between pixels of two types.
常用的核函数rbf只具有局部性，根据像素间欧氏距离作为两个类别的亮度差异性测量。
This research reported the results of discrimination of color difference of surface color, Three color attributes-hue, brightness and saturation were investigated in this study respectively.
报导了中国人眼对表色色差辨别的实验研究中彩色类特性实验结果。研究中对颜色所具有的明度、色调、彩度三个属性分别开展了实验研究。
Based on the difference in physical properties between ice and water, a criterion distinguishing ice from water is set up and the threshold value of brightness is achieved.
根据物理和统计方法建立了冰厚与亮温的对应关系，分别对海冰冰厚分布进行了反演，得到了与实况较为一致的冰厚分布。
Based on the difference in physical properties between ice and water, a criterion distinguishing ice from water is set up and the threshold value of brightness is achieved.
根据物理和统计方法建立了冰厚与亮温的对应关系，分别对海冰冰厚分布进行了反演，得到了与实况较为一致的冰厚分布。
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