optical fiber chemical sensor

例句：

1. 1. This optical fiber chemical sensor can detect the presence of pollutants in water with high sensitivity.
   这种光纤化学传感器可以以高灵敏度检测水中污染物的存在。
2. 2. The development of this optical fiber chemical sensor has greatly improved our ability to monitor environmental pollution.
   这种光纤化学传感器的发展极大地提高了我们监测环境污染的能力。
3. 3. In this study, we used an optical fiber chemical sensor to detect the presence of harmful chemicals in the air.
   在这项研究中，我们使用了一种光纤化学传感器来检测空气中有害化学物质的存在。