这个包含了每一个像素的颜色和亮度信息以及同步信号的最终信号称为组合视频信号（composite video signal).

This final signal, containing the color and intensity of each pixel in a set of rows, along with horizontal and vertical sync signals, is called a composite video signal .

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同步辐射光源的尺寸、散角和中心亮度是装置的重要参数。

The size, angle spread and the brightness of the center of the synchrotron radiation light sources are very important to the users.

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