mass-luminosityradius relation

例句：

1. 1. The relationship between the two variables iscrucial for predicting the outcome of theexperiment.
   这两个变量之间的关系对于预测实验的结果至关重要。
2. 2.The mass-luminosity-radius relationship has been studied extensively inastrophysics.
   在天体物理学中，质量-亮度-半径关系已经得到了广泛的研究。
3. 3. The discovery of this relationship hasled to significant advancements in our understandingof the universe.
   这一关系的发现使我们对宇宙的理解取得了重大进展。