因为签字的墨水或是 原子 笔油接触空气的时间长短不同造成氧化程度的不同 。
应该不会make a copy,但是如果送FBI化验,是可以查出你是后签字的
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回复:应该不会make a copy,但是如果送FBI化验,是可以查出你是后签字的
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09/10/2007 postreply
00:43:43
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I don't think they would do it, and it's unnecessary. - 回复:应该不会m
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09/10/2007 postreply
08:00:54
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回复:I don't think they would do it, and it's unnecessary. - 回复:应该
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09/10/2007 postreply
13:54:10