光敏印文色料与签字笔书写色料交叉重叠后，因互溶渗透不易形成层状结构而使判定朱墨时序的难度较大。
Due to infiltration effect, it is a hard task to sequence photosensitive stamp impressions and signature pen writing.
光敏印文色料与签字笔书写色料交叉重叠后，因互溶渗透不易形成层状结构而使判定朱墨时序的难度较大。
Due to infiltration effect, it is a hard task to sequence photosensitive stamp impressions and signature pen writing.
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