lower variation

例句：

1. 1. The scientist lowered the variation in the experiment to improve accuracy.
   科学家降低了实验中的变异以提高准确性。
2. 2.The company is looking to lower its variation in product quality.
   该公司正寻求降低产品品质的变异。
3. 3. To reduce the variation in temperature, we need to monitor the weather closely.
   为了降低温度的变异，我们需要密切监测天气。