gain in precision

例句：

1. 1.To improve our work, we need to gain in precision.
   为了提高我们的工作质量，我们需要提高精确度。
2. 2. The scientist gained in precision as he experimented more.
   随着科学家实验的次数增多，他的精确度提高了。
3. 3.The car's engine is gaining in precision with each new model.
   随着每款新车型的推出，汽车发动机的精确度在不断提高。