doubly clad optical fibre

例句：

1. 1.The new telecommunications system uses doubly clad optical fibre to transmit data at high speeds.
   新的电信系统使用双层包层光纤以高速传输数据。
2. 2. The research team has developed a new type of doubly clad optical fibre that can withstand extreme temperatures.
   研究小组开发了一种新类型的双层包层光纤，可以承受极端温度。
3. 3. Doubly clad optical fibre is often used in long-distance communication systems due to its high transmission efficiency and resistanceto interference.
   由于其高传输效率和抗干扰能力，双层包层光纤常用于长途通信系统。