物理公式中常用希腊字母伽马表示特定系数。

The Greek letter ___gamma is often used to denote specific coefficients in physics equations.

这个设备的灵敏度可以检测到1伽马的磁场变化。

This device can detect magnetic field changes as small as one ___gamma.

医生使用伽马射线来治疗某些癌症。

Doctors use ___gamma rays to treat certain types of cancer.