step fiber的用法和樣例：
例句
- With equivalent conductance method, the geometry optics theory of step fiber, the light propagation characteristics of Bragg fiber structures have been researched in this paper.
摘要用薄膜光學的等效導納方法和階躍光纖的幾何光學理論研究布拉格光纖的傳輸特性。 - The logical effective radius was selected, and the propagation properties of TIR-PCF were discussed with the classical theory of step-index fiber.
選擇了較合理的有效半徑，利用經典的階躍光纖理論來研究光子晶體光纖的傳輸特性。
