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Beijing Radio and Television Station Winter olympics Beijing Zhang Manzi Beijing Municipal Science and Technology Commission Beijing you early
02-10
![The Beijing Winter Olympics | "Sign Language Broadcasting Digital People": Let the "Silent World" feel the charm of the Winter Olympics[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)