net radiometer

例句：

1. 1. The net radiometerwas used to measure the amount of solarradiation reaching the ground.
   净辐射计被用来测量到达地面的太阳辐射量。
2. 2. Thenet radiometer showed that the area hada high concentration of pollutants.
   净辐射计显示该地区污染物浓度较高。
3. 3. The netradiometer helped scientists to better understand theimpact of climate change on the environment.
   净辐射计帮助科学家更好地理解气候变化对环境的影响。