International standard on HDTY pictures has been worked out in MPEG-2, and developed industrial countries are developing HDTV products.
在MPEG - 2中已制定了HDTV图像的国际标准，工业发达国家正在研制HDTV产品。
International standard on HDTY pictures has been worked out in MPEG-2, and developed industrial countries are developing HDTV products.
在MPEG - 2中已制定了HDTV图像的国际标准，工业发达国家正在研制HDTV产品。
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