There are mainly two structures of CNC'S RTOS. They are foreground-background type and interrupt type.
计算机数控的操作系统目前主要有前后台型及中断型二种结构。
For example, a film-maker might opt to include the background sound of an ambulance's siren while the foreground sound and image portrays an arguing couple.
例如，电影制作人可能会选择在背景中加入救护车的警笛声，而在前景的声音和图像中表现一对争吵的夫妇。
With no escape sequences to move cursors, change foreground and background colors, set blinking or inverse, etc., we are back to Teletypewriters and other mechanical AIDS.
没有转义字符移动光标、改变前景和背景色、设置闪屏或反向等等，我们将回到电传打字机和其它机械辅助的时代。
The 3d effect makes it much easier to distinguish foreground action from background scenery, and should make platform games easier.
这种3d效果使得更容易分辨前景动作和背景景色，也应该使平台游戏更容易操作。
Before the show begins, think about the foreground and background elements of the scene and how you might want to incorporate them.
在焰火表演开始前考虑一下画面中的前景和背景元素，并想想怎样将它们组合起来。
By blurring objects in the foreground, background or by blurring the entire design, you can dramatically increase the impact of your project.
通过模糊前景、模糊背景，甚至整个设计，你可以动态地增加你的项目的冲击力。
Remember, any white pixels you put in your foreground image will provide a mask over the background frames.
记住，在您的前景图像中所使用的任何白色像素将提供背景帧的蒙版。
Basically, it is the ability to use your camera and lenses to control the relationship between the background and foreground of your pictures.
基本上讲，就是用你的相机和镜头去控制照片中背景和前景关系的能力。
Behind the colorful somata in the foreground, a pattern of light and dark in the background suggests anatomical distinctions.
多彩的神经元密质部分位于前景，背景上的明暗模式表明了结构上的差别。
You can set a foreground and a background but that’s about it.
你可以设置一个前景色和一个背景色但也就只能如此了。
This includes the background images for each frame of the video and the foreground image of the text ELENA.
这包括用于视频每个帧的背景图像和文本elena的前景图像。
Intriguing background galaxies are scattered around the field that also includes spiky foreground stars.
在这个范围内还散布着引人入胜的其它背景星系，还包括道钉状的前景恒星。
Foreground and background color selection, to improve readability.
前景和背景颜色选择，改善可读性。
Create a function named set_color to allow users to test background and foreground text colors.
创建一个名为set _ color的函数来允许用户测试背景和前景文本颜色。
Executing these sample commands changes the background color to yellow and the foreground to red.
执行以下示例命令可以将背景颜色更改为黄色，将前景颜色更改为红色。
JFaceColors can assign specific colors to the foreground and background of a widget dynamically.
JFaceColors可以把特定颜色动态指派给小部件的前景和背景。
Tezuka's visual style is full of kinetic effects: if the foreground isn't whizzing past, the background will be.
Tezuka的漫画视觉风格充满了动力，不是前景就是背景一定是飞速而过的。
Photo tip: Add layers to your composition-that is, multiple elements beyond the main subject, such as foreground and background elements.
拍照小技巧：给你的构图分层——也就是说，给拍摄主体添上多种元素，例如前景和背景元素等。
In these new style ranges, we leave the foreground and background colors unchanged but set the font style to bold.
在这个新的样式范围中，我们保留前景色和背景色不变，但是把字体样式设为粗体。
Also, the OS supports multitasking, but it is not clear if background applications will run normally or they will be paused until brought to the foreground.
该操作系统还会支持多任务处理，但是我们还不清楚，后台应用是否会正常运行，或者它们会暂停直到转移到前台。
Third-party products can provide additional functionality, such as a "theme" that enlarges fonts system-wide or one that provides high contrast between background and foreground.
第三方产品提供附加的功能，如放大全系统字体的“主题”，或者提供背景和前景之间高对比度的主题。
This image shows two red blood cells: a normal red blood cell (colored red in the background) and a red blood cell affected by sickle-cell anemia (in the foreground).
这幅图片显示了两种红血细胞：正常红血细胞(红色背景)和患有镰形细胞贫血症的红血细胞(前景)。
Most will not want to appear in the foreground, but in the background they will be invaluable.
大多数人并不喜欢在工作在前台，但是在幕后，他们会是非常宝贵的资源。
In some cases code designed to defer background work to keep the foreground responsive was actually slowing things down; in two cases I actually took out Sleeps, no joke!
在某些情况中，用于延迟后台工作的代码使得前台的反应有点缓慢。这两种情况都让我昏昏欲睡，这不是开玩笑！
In the foreground are the digital SLRs and full-size video cameras of the professional media. But in the background there is a profusion of smaller devices.
在前景中是专业媒体的数码单反相机和高清摄像机，而背景中则有大量的小型设备。
Follow-up observations by Hubble Space Telescope in 2005 separated the light of the slightly offset foreground star from the background star.
由哈勃空间望远镜担任的后续观测在2005年分离出了发自背景恒星、经过前方恒星时略有偏移的光线。
Set your Foreground color to #00315C and Background to #001B32 and choose the Gradient Tool (G) with a gradient type option set to Radial Gradient.
设置前景色为 #00315C ，背景色为 #001B32 ，然后选择渐变工具（G），渐变类型为径向渐变。
The soft background of the cloud-filled blue sky contrasts well with the barbed wire foreground.
蓝天白云与带刺的防护网形成了鲜明的对比。
The soft background of the cloud-filled blue sky contrasts well with the barbed wire foreground.
蓝天白云与带刺的防护网形成了鲜明的对比。
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