taper line gratings

例句：

1. 1. The tapered line gratings are used in the design of optical fibers.
   缩颈线栅格在光纤设计中被使用。
2. 2. The tapered line gratings play a crucial role in the transmission of light.
   缩颈线栅格在光的传输过程中起着至关重要的作用。
3. 3. The tapered line gratings have been widely used in various applications, such as laser technology and optical communication.
   缩颈线栅格在各种应用中得到了广泛的应用，如激光技术和光学通信。