有几年它的亮度一度达到了现在的太阳亮度的一万倍左右。
For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
通常这颗恒星亮度非常微弱，因而不能用肉眼直接观察到，但是在接下来的几个月中，它的亮度将不断攀升，直到成为鲸鱼座中最明亮的恒星之一。
Currently this star is too faint to be visible with the naked eye, but over the next few months it will start climbing in brightness until it becomes one of the brightest stars in this constellation.
因为用瓦特数来衡量灯管亮度十分简便，我们常常把瓦特和亮度混为一谈。
Since we've conflated watts and brightness, it's easier to talk about bulbs in terms of watts.
说到传感器，我们发现一个亮度自动调节的问题，在日光下屏幕亮度自动调节正常，但在暗环境中屏幕会自动变得过于昏暗。
Speaking of sensors, we experienced problems with the auto-brightness setting, which would dim the screen too much in low light, while behaving normally in daylight.
但即使是美国最亮的城市拉斯维加斯，其发出的亮度也仅只及太阳光在这块区域反射亮度的万分之一。
But even the brightest city in America, Las Vegas, emits only about a ten-thousandth as much light as the sun shines upon the same area.
还有一个变量即月光亮度，随着月亮29.5天一周期的盈亏，月亮的亮度会发生变化。
An additional variable is that the moon can have varying degrees of intensity, depending where it is during its 29.5 day cycle of waxing and waning.
同时要检查看看投影仪的亮度是否比房间的亮度强。
Also, check to see if the projector is bright enough to overpower the room's lighting.
艾里斑的亮度(点光源恒星的图像亮度)正比于孔径尺寸的四次方。
Airy disk brilliance (the brightness of a point-source stellar image) is proportional to the fourth power of aperture.
随着相对方位的变化，反射光亮度也随之变化，有时亮度的变化是突然发生的。
As relative orientations change, the brightness of reflections may also change, sometimes suddenly.
拍摄对象的亮度应该与背景相同，或比背景更亮，否则图片的亮度会失衡。
The subject should be equal to or brighter than the background, otherwise the image will not be balanced. (Ignacio Palacios/LPI)
要控制好曝光量，您需要具有曝光补偿的知识，这样才能拍摄到亮度和预想亮度一样的照片。
To control the exposure, you need to have exposure compensation of knowledge, such ability to take brightness and expected the same brightness photos.
delta平常的亮度是2.3等，但从2000年7月以来它的亮度逐渐地上升到1.8等。
Delta usually shines at magnitude 2.3 but has slowly fluctuated to as bright as 1.8 since July 2000.
你用肉眼所能看到的最暗的星的亮度值大约是第6级(如果是黑夜的话)，而最亮的星的亮度值是0(更有甚者其亮度值为负)。
The faintest star you can see with your unaided eye is about sixth magnitude (from dark skies) whereas the brightest stars are magnitude zero (or even a negative number).
这是一个太空望远镜，能够观察由行星在主星(恒星)前横移造成的最微弱的亮度变化。如果允许我们探测类似地球的行星，那么需要达到该亮度变化的十万分之一。
It's a space-borne telescope that will be able to measure the tiniest dimming (caused by a planet crossing in front of the host star), to one part in 100,000, allowing us to detect Earth-like planets.
雷达图像的亮度与云中反射雷达波的水滴或冰晶的数量有关，而雷达场附近的图像亮度除外。
The Brightness of the radar image is related to the amount of reflecting water or ice in the clouds except near the radar site.
例如，如果一个RGB像素展品是256灰度级的128青色亮度，那么很有可能旁边的像素也是同样的亮度。
If an RGB pixel exhibits cyan brightness of 128 out of 256 greyscale, for example, then there is a good chance the pixel next to it is equally bright.
但是在明亮的环境下使用昏暗的屏幕是非常难受的，所以大多数手机都提供自动亮度调节模式，可以根据周围环境的亮度自动调节屏幕亮度。
But it's tough to use a dim screen in bright environments, so most phones offer an auto-brightness mode that automatically adjusts the screen's brightness based on ambient light.
结果表明，开关的发光亮度（辉度）随夜光颜料的含量、夜光部件厚度的增大而增加，伴随着制件的着色，夜光部件的亮度会降低；
The results showed that the brightness of the switch was improved with increasing content of pigment, thickness of product and decreased after coloring product.
虽然那台测试样机开启高海拔模式后使用100小时亮度削弱的更多，但那台也是所有样机中初始亮度更高的一台。
Though the test unit with the high altitude fan engaged has diminished less over the first 100 hours of use, this was a much brighter unit to begin with.
工作性能：光源采用特制超高亮度白色LED，产品超亮度，远视距。
Working performance: the light source USES the special ultra high brightness white LED, the product ultra brightness, the distant sight distance.
亮度调节面板作为调节亮度的整体及主要手，段位于机长及副驾面板的下方。
Variable intensity controls for the integral instrument and main instrument panel lights are identified as PANEL and located on the lower portion of the captain's and first officer's panels.
介绍LED显示屏的亮度以及亮度的测量要求和方法，同时介绍亮度测量仪器及其校准。
This paper in detail introduce the brightness and measure method of LED panel, instrument and calibration of brightness measure.
高效：氙气灯输出3200流明度的亮度，比一般卤素灯提升300%亮度，提高驾驶员在夜间行车视线，保证行车安全。
Hight efficiency: the Xenon lamp can generate the height of 3200 Lumen, increasing by 300% compared with a general halogen lamp, so it can improve the view in night driving, and assure driving safety.
找到显示设备的亮度控制。它可能标记为“亮度”或“黑色”级别。
Locate the brightness control for your display device. It could be labeled brightness or Black Level.
该方法针对图像中不同亮度区域进行亮度补偿，使得整个图像亮度背景趋于一致后，再进行通常的阈值分割。
The method compensates every area of different luminance proportion in order to make the luminance of part area near to that of the whole area, then segment image using ordinary methods.
本文提出了一种简单的镜头检测方法，该方法首先使用视频亮度信息检测突变镜头，然后使用亮度和色度信息检测渐变镜头。
This paper present a simple shot detection method, video brightness information is used to detect abrupt shot and the combination of brightness and chroma information is used to detection.
讨论LED的偏置电阻和发光亮度对LED背光源亮度均匀性的影响。
Discuss the impact on LED brightness uniformity from bias resistor and brightness in this paper.
VDT的亮度对比度和屏面亮度在对操作者视觉功能的影响中，存在着交互作用。
There are interactions in the effects of VDT luminance contrast and screen luminance on operator's visual performance.
如何设置图像亮度回到它原来的亮度？
How to set image brightness to back it's original brightness?
如何设置图像亮度回到它原来的亮度？
How to set image brightness to back it's original brightness?
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