second coating optical fiber

例句：

1. 1. The company's new product is a second-layer coated optical fiber that can transmit data at high speeds.
   该公司的新产品是一种可以高速传输数据的二次涂层光纤。
2. 2. The second-layer coated optical fiber is used in communication systems to improve signal strength and reliability.
   二次涂层光纤用于通信系统中，以提高信号强度和可靠性。
3. 3.The second-layer coated optical fiber is also known as multimode fiber, which can transmit multiple signals simultaneously.
   二次涂层光纤也被称为多模光纤，可以同时传输多个信号。