We could only get a good look at the structure of the gears after gamma-rays were used to see inside, very similar to the way X-rays are used to see your bones.
我们只有在用伽玛射线观察内部之后才能很好地了解齿轮的结构，这和用 X 射线看你的骨头非常相似。
2
He believes that this process supplies the gamma-rays observed by Fermi.
他相信这个过程产生出了费米镜观测到的伽马射线流。
3
High energy hot spots in the universe are revealed with gamma-rays, said Michelson.