irregular variation

例句：

1. 1.The rate of growth is not consistent with the data.
   增长率与数据不一致。
2. 2. The company's financial performance has been irregular recently.
   该公司近期的财务状况不稳定。
3. 3. The scientist observed irregular variations in the temperature during the experiment.
   科学家在实验中观察到温度的不规则变化。