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笔迹检验是通过分析反映笔迹本质的笔迹特征,从而认定物证笔迹的书写人。笔迹可分为正常笔迹和非正常笔迹,非正常笔迹中包括有条件变化笔迹。而条件变化笔迹又可分为书写利手变化笔迹、书写客体变化笔迹、承载客体变化笔迹。从上世纪九十年代开始,随着社会的进步,经济的发展,直接书写在墙面上的笔迹案件越来越少,由于承载客体变为墙面,常用的硬笔不能很好的书写,因此书写客体也会有所改变。在这类条件变化笔迹中书写客体变化与承载客
Handwriting test is through the analysis of handwriting characteristics that reflect the nature of handwriting, thereby identifying handwriting writer. Handwriting can be divided into normal and non-normal handwriting, non-normal handwriting includes the conditions of change handwriting. The condition changes handwriting can be divided into writing handwriting change handwriting, writing object change handwriting, carrying object change handwriting. Since the nineties of last century, with the progress of society and economic development, there are fewer and fewer handwriting cases directly written on the wall. Since the bearing object becomes a wall surface, the commonly used hard pen can not be well written. Therefore, Writing objects will change. Writing changes and bearing guests in such handwriting changes