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720p\u6e90\u81ea\u7f8e\u56fd\u7535\u5f71\u7535\u89c6\u5de5\u7a0b\u5e08\u534f\u4f1a\uff08SMPTE\uff09\u5236\u5b9a\u7684HDTV\u6807\u51c6\u3002\u6839\u636e\u8be5\u6807\u51c6\uff0c\u771f\u6b63\u7b26\u5408\u9ad8\u6e05\u89c6\u9891\u7684\u683c\u5f0f\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e09\u79cd\uff1a<\/p>\n
<\/p>\n
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