They display a different pattern of flame structure to an experienced eye, which consists of concentric radiating flames and parallel banded layers displaying a distinct “pseudo-chatoyancy” effect.
对于有人而言,仿制品显示处不同于美乐珠
火焰纹结构图案由同心
射状火焰纹,和平行条带层显示出清晰
变彩假象。