但是照片的真实性尚未证实。
官方拒绝就他们是否对照片的真实性做出决定发表评论。
Officials declined to comment on whether they had reached a decision on the authenticity of the photograph.
为了认证数码照片的真实性，采用了新出现的数字水印技术。
Authenticating reality of digital photograph, this paper applies novel digital watermarking technique.
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