Unverified85% confidenceDecision RuleTime unknown
真正有效的遮蔽依赖乱码图案而非纯色油墨:选择印面为不规则字符/网格花纹的款式,纯黑色块在强光或翻拍下仍可能透出下层字迹
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
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