gammagraph

例句：

1. 1. The gamma graph shows the distribution of radioactive materials in the area.
   伽马射线图显示了该地区放射性物质的分布情况。
2. 2. The gamma graph reveals the presence of a rare isotope in the sample.
   伽马射线图揭示了样本中稀有同位素的存在。
3. 3.The gamma graph provides valuable information for studying the behavior of radioactive substances.
   伽马射线图为研究放射性物质的行为提供了宝贵的信息。