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In order to understand the quality of experience of users during watching videos, would you like to spare a few minutes to pick up several video clips. All the videos last about 12 seconds and have no audios, and you just need to give your ratings according to your subjective understanding and preference on video content, video quality, video fluency, and overall satisfaction taking on the value 1 star = bad, 2 star = poor, 3 star = fair, 4 star = good, and 5 star = excellent.

请您挑选几个视频,观看后凭主观感觉进行评分。视频为静音状态且仅12秒,请凭借主观理解和偏好对视频的内容满意度,质量,流畅度和整体满意度评分,谢谢!

1星 = 很差,2星 = 较差,3星 = 一般,4星 = 良好,5星 = 优秀。

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