[参考译文] 如果发现了指印,检查人员就必须把发现的指印和有权进入房屋的人的指印作比较。如果指印证实是来自这些人的,那么作为证据价值的线索就可排除掉。
4. A good black powder is composed of lampblack, graphite, and powdered acacia. Dragons blood is good powder for white surface and can be fixed on paper by heating. In developing latent prints, the accepted method is to use the powder sparingly and brush lightly. Do not use powder if the fingermark is visible under oblique lighting. It can be photographed. A good policy for the novice is to experiment with his own prints on a surface similar to the one he wishes to search in order to determine the powder best suited to the surface.
[结构简析] 句子长,因为表语中有形容词短语similar to , 而to 的宾语又有一个省略which的定从he wishes to search.. 此外副词短语in order to 的宾语也有一个修饰的分词短语best suited.
[参考译文] 对新手来说,最好的办法就是用自己在类似于他想要搜索的表面上的指印作一个实验,以确定最适用于这种表面的粉末。
写作方法与文章大意
这是一篇介绍在犯罪现场搜寻(潜)指印的文章。采用平铺直叙步步深入的写作方式。头两段先介绍经常会有潜指印的地方是房子的出口和入口,汽车的后视镜,方向盘等。屋内光滑无孔的物体,如若接触就会留有潜指印,但粗糙物体的潜指印就没有价值,放大镜下不显现纹理的指印也无价值,就得看摄影显示决定。
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