specific gammaray constant

例句：

1. 1.The measurement of this constant is crucial for understanding the behavior of radioactive materials.
   测量这一常数对于理解放射性材料的行为至关重要。
2. 2.The scientists used a special technique to measure the specific gamma-ray constant of the material.
   科学家们使用一种特殊的技术来测量该材料的特定伽马射线常数。
3. 3. The constant is essential in predicting the behavior of radioactive decay in different environments.
   这个常数在预测不同环境中放射性衰变行为中起着关键作用。