natural gamma-ray spectral log

例句：

1. 1.The natural gamma-ray spectral log is crucial for interpreting the data.
   天然伽马射线光谱记录对于解释数据至关重要。
2. 2.The team used the natural gamma-ray spectral log to map out the geological features of the area.
   团队使用天然伽马射线光谱记录来绘制该地区的地质特征。
3. 3. The natural gamma-ray spectral log revealed a significant amount of water in the underground caverns.
   天然伽马射线光谱记录显示了地下洞穴中大量的水。