pyranometry

例句：

1. 1. The pyranometer was used to measure the sun's intensity.
   使用光度计来测量太阳的强度。
2. 2.In pyranometry, the light source and detector are positioned at different angles.
   在光度测量中，光源和探测器被放置在不同的角度。
3. 3.Pyranometric readings were taken during the experiment to ensure accuracy.
   实验期间进行了光度测量以确保准确性。