警车和救护车上之所以用红灯，大多是因为红灯亮度大。
In the case of the ambulance and police car, it's more a question of brightness.
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。
If star trails are desired, using a large aperture and higher sensitivity (ISO 200-400) can enhance the brightness of each streak.
这个三个星团因为他们密集的亮度的大质量恒星很容易被多目标光谱仪观察到。
These three clusters are easily seen as tight concentrations of bright, massive stars in the NICMOS image.
这个三个星团因为他们密集的亮度的大质量恒星很容易被多目标光谱仪观察到。
Thesethree clusters are easily seen as tight concentrations of bright, massive stars in the NICMOS image.
科研人员发现继2006年6月6日的一次大爆发后，黑洞的亮度已经增加了100倍。
They found that the black hole became 100 times brighter following an outburst on Jan. 6, 2006.
然而，大爆发后，黑洞进入了另一个相对黑暗的状态，但是仍比2006年前的平均亮度要高出10倍。
After the outburst, however, the black hole entered another relatively dim state, but was still about ten times brighter on average than prior to 2006.
但是我们一直试着解决困扰数码放映机的三大难题：亮度较低，对比度较差，清晰度不足。
But we were trying to address three key problems that plague digital projectors: lack of brightness, lack of contrast, and lack of sharpness.
M 51的超新星被冠以sn 2011dh的编号，它的亮度目前依然大到可以用小型望远镜观测到。
Currently, the M51 supernova, designated SN 2011dh, is still bright enough to follow with a small telescope.
大的流星尾巴可被肉眼看见，但最经常出现的是那些亮度相当于15等星以上的小尾：这些小尾成了雷达探测的目标。
The larger trails can be seen with the naked eye, but even the smaller meteors down to 15th magnitude, which are more common, the left trails that provide radar targets.
在大屏幕投影显示领域，光引擎技术是获得大亮度、高影像清晰度和真实的色彩还原性图像输出的关键技术。
The technique of optical engine is the key to obtain high brightness, high definition and real colour pictures in the field of large screen projection.
隐藏的框架增加了亮度和透明度，框起泳池、大橡树、中庭、山谷和大海的景色。
The hidden frame enhances the effect of lightness and transparency framing views of the pool, the big oak tree, the patio and into the valley and the sea.
具有噪音小，功率大，在亮度控制范围内高效率低损耗。
A small noise, power, brightness in the control of the low-loss high efficiency.
在亮度变化特别大的点用圆点圈出，存在视频所在目录下。
Brightness changes, especially in large point circle with a dot, there is the video where the directory.
具有噪音小，功率大，在亮度控制范围内高效率低损耗。
With a small noise, power, brightness control in high-efficiency low-loss.
LED灯具具有强于传统光源的若干优势，随着LED功率不断提高，高亮度的LED灯具有着取代传统照明灯具的趋势，应用潜力非常大。
LED lamps have lots of advantages comparing with traditional lamps. Along with the increase of LED's power, high light LED lamps have a great potential to replace traditional light source.
点阵式图形VFD亮度高、视角大、光线柔和，已得到了广泛应用。
The dot array graphic type VFD has been widely used because of its strong light intensity, wide visual Angle and soft light.
共焦显微图象如荧光染色细胞核图象，往往是一种比较模糊的图象，并且亮度范围大，灰度均匀度也较差。
In most of cases, the laser scanning confocal microscopy images, such as fluorescence stained biomedical nuclei, are blurred and have a wide range of brightness and poor intensity homogeneity.
因为猎户座是最与众不同的星座之一，它呈一大矩形形状，当中有三颗众成一列、中等亮度的星星。
That's because Orion is one of the sky's most distinctive constellations. It's a large rectangle, with a distinctive row of three medium-bright stars in the middle.
因为猎户座是最与众不同的星座之一，它呈一大矩形形状，当中有三颗众成一列、中等亮度的星星。
That's because Orion is one of the sky's most distinctive constellations. It's a large rectangle, with a distinctive row of three medium-bright stars in the middle.
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