Leaked, manmade oil is not the only thing that can cause variations in the brightness of the Sun's reflection off the ocean.
泄漏的人造石油并不是唯一可以导致海面的日光反射发生亮度变化的事物。
Scientists are also increasing their use of automated telescopes that are programmed to look for minuscule variations in a star's brightness caused by an orbiting planet passing in front of it.
科学家也将更好地利用特别制造的自动望远镜，寻找由于行星经过造成的恒星亮度的极小变化。
The Variations interface shows a set of thumbnail images, varying color balance and brightness by adjustable increments.
变化功能的界面展示了一组缩略图，按照可调等级的不同色调平衡和不同亮度来显示。
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