The thesis explains from background of subject, plan demonstration, system hardware and software and research on control algorithm respectively.

论文分别从课题背景、方案论证、系统软硬件设计、控制算法研究展开说明。

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This article strives to answer the question "what is data mining?" by giving you a background on the subject and introducing the goals of the field.

本文通过向您介绍数据挖掘这个主题的背景以及这个领域的目标力求回答“什么是数据挖掘”这个问题。

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This time the flash fires just the right amount of light to "fill-in" the subject with the flash produced light. Now you have a rather nice shot where you can see the subject and the background.

然后你再次拍下照片，闪光灯发出刚够照亮拍摄主体的闪光，这一次的照片要好多了，你可以同时看清主体和背景。

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When a moving subject is cut out of a number of images and combined with a different still shot that forms the background, the size of the subject can be changed to suit the background image.

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With the flash on, the camera automatically merges an image of the subject illuminated with the flash in the foreground with a separate image of the background nightscape, to produce a single, clear night photo.

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Persistent tap-to-track also adjusts the camera exposure depending on any movement, helping avoid under- or over-exposure of the image's subject or background.

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