The index of refraction of the assembly varies across the radius of the cable, and the core has a constant or smoothly varying index of refraction called nc.
折射指数的大会有所不同半径的电缆，其核心具有恒定或顺利不同折射率称为数控。
The index of refraction of the assembly varies across the radius of the cable, and the core has a constant or smoothly varying index of refraction called nc.
折射指数的大会有所不同半径的电缆，其核心具有恒定或顺利不同折射率称为数控。
应用推荐