irregular cross section fiber

• 异形截面纤维

irregular cross section fiber的用法和样例：

例句

1. It is proved that round-section fiber has Descartes rays, and its principle and characteristics are similar to the water drops producing the rainbow in the sun.
   结果表明，透明圆形截面纤维在垂直纤维轴光线照射时有笛卡尔线产生，其原理与水珠在光照射时虹产生的原理相似。