fine tuning

例句：

1. 1. The engineer made a fine tuning of the machine before it was put into use.
   工程师在机器投入使用前进行了精细调整。
2. 2. The software developers fine tuned the code to ensure it worked perfectly.
   软件开发者对代码进行了精细调整，确保它完美运行。
3. 3. In the final stages of production, fine tuning is essential for ensuring quality and efficiency.
   在生产的最后一阶段，精细调整对于保证质量和效率至关重要。