pulsed height analyzer

例句：

1. 1. The pulsed height analyzer is used to measure the concentration of pollutants in air.
   脉冲高度分析仪用于测量空气中污染物的浓度。
2. 2. The pulsed height analyzer was developed by a team of experts to improve air quality monitoring.
   脉冲高度分析仪由一支专家团队开发，以改进空气质量监测。
3. 3. The pulsed height analyzer can detect and measure the concentration of various gases in the environment.
   脉冲高度分析仪可以检测和测量环境中各种气体的浓度。