求翻译：分辨二层皮的方法：(1)通过放大镜可以看见清晰毛孔的是头层皮；(2)用手捏起皮子，手感柔软、弹性好的多为头层皮。 另外，是用大块皮子做的，还是由小块皮子拼接的也是影响档次的一个方面。是什么意思？

Resolution method of two-layer skin: (1) through a magnifying glass you can see clear pores were the first layer of skin, and (2) hand pinch leather, soft, good elasticity, mostly head skin. In addition, is made of large piece of leather, or by a small piece of leather stitching is also affecting the grade of an aspect.