Objective to study the visualizing conditions of the obliterated writing covered by the same class and color inks using a video spectral comparator.
目的研究运用文检仪显现同种同色掩盖字迹的显出条件。
Objective to study the visualizing conditions of the obliterated writing covered by the same class and color inks using a video spectral comparator.
目的研究运用文检仪显现同种同色掩盖字迹的显出条件。
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