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SECAM
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模拟彩色视频信号起源于法国，并在许多国家使用，包括（但不限于）东欧大部分地区、中东和亚洲部分地区。与 PAL 视频标准类似，SECAM 还以 25Hz 的刷新速率绘制总数为 625 的视频垂直交替帧，但使用完全不同的颜色编码方式。此名称是法语&quot;Séquential Couleur avec Mémoire,&quot;的缩写，是&quot;顺序传送彩色与存储&quot;的意思。
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