refraction coefficient

• 折射系数,折光系数

refraction coefficient的用法和样例：

例句

1. The core has a high index of refraction, whereas the surrounding cladding, with its air holes interspersed with silica, has a lower index.
   核心的石英折射系数高，环绕在外的外层石英与孔洞交错，所以折射系数较低。