dense wavelengthdivision multiplexing

例句：

1. 1. The dense wavelength division multiplexing technology is used in high-speed optical communication systems to improve data transmission efficiency.
   密集波长分复用技术被用于高速光通信系统中，以提高数据传输效率。
2. 2. In the dense wavelength division multiplexing technique, multiple signals are combined into a single signal for transmission.
   在密集波长分复用技术中，多个信号被组合成一个单一信号进行传输。
3. 3. The dense wavelength division multiplexing technique has been widely applied in various fields such as telecommunications and data storage.
   密集波长分复用技术已被广泛应用于电信和数据存储等领域。