continuous variation

例句：

1. 1. The rateof continuous variation in temperature is a keyfactor in predicting weather patterns.
   温度的连续变化率是预测天气模式的关键因素。
2. 2.The study found that the continuous variation inthe population had significant impacts on theeconomy.
   研究发现，人口的连续变化对经济产生了重大影响。
3. 3. The research team conducted acontinuous variation experiment to test the effectiveness oftheir new drug.
   研究团队进行了一项连续变化实验，以测试他们新药的有效性。