Firstly, the high resolution pictures of dragonfly wings from sample tests were studied, the unique feature of the reticulate veinstructure and the details of dragonfiy wings were figured out.
Results All of patients showed the structure of the first valve of superficial femoral vein .
结果大部分病人均显示股浅静脉第一瓣膜的结构；
3
Mineral deposit controlled by north and south faulted structure, mineral body exist in faulted structure with lenticular style, vein style and sprouted style.