method of variation of constant

例句：

1. 1.The research team used the method of variation to study the effects of different variables on the outcome.
   研究小组使用变异方法来研究不同变量对结果的影响。
2. 2. The scientist applied this method of variation in their experiment to observe the results.
   科学家在他们的实验中应用了这种方法的变异，以观察结果。
3. 3.The method of variation is crucial for understanding how genetics influences our traits.
   变异方法对于理解遗传如何影响我们的特征至关重要。