The researchers studied wings under microscopes, against black backgrounds.
研究员对着黑色背景在显微镜下研究翅膀。
The effects of blinking as a type of highlighting on visual search performance in white and black backgrounds were investigated.
视觉材料的呈现背景对闪烁突显视觉搜索绩效没有明显的影响，但在白背景下采用闪烁效果较好。
Forget about black backgrounds and swirling colors everywhere, white is what people are used to reading on, and anything else is upsetting to the eyes.
把黑色背景还有炫目的色彩跌到一边，白色才是人们习惯的阅读色，其他的颜色都会让眼睛吃不消。
In this tutorial you'll learn how to create a black background filled with some stylish gradients decorated with abstract shapes to create a wallpaper that is inspired by the Vista backgrounds.
在本教程中，你将学习到怎样创建带一些饰有抽象外形的时髦斜度的黑色背景，以创建Vista背景风格的墙纸。
Several dozen users of Microsoft's XP operating system and its Office software took to the Internet today to say that their desktop backgrounds had begun turning black.
一些微软XP操作系统和Office软件的用户们今天上网说他们的桌面背景变成黑色的了。
A value related to the hiding power of a coating. The ratio of reflectance of the coating over black and white backgrounds at equal film thickness.
同涂层遮盖力相关的一个数值，以相同的涂层的厚度在黑色和白色背景下涂层反射系数的比值。
The ratio of reflectance of the coating over black and white backgrounds at equal film thickness.
同涂层遮盖力相关的一个数值，以相同的涂层的厚度在黑色和白色背景下涂层反射系数的比值。
Mary's Birthday Black silhouettes over colored backgrounds.
玛丽的生日，黑色系列以上的彩色背景。
Mary's Birthday Black silhouettes over colored backgrounds.
玛丽的生日，黑色系列以上的彩色背景。
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