Over the next few days, we fine-tuned the scheme and made some useful improvements.接下来的几天，我们对计划进行细微调整，作了些有用的改进。The election campaign had to be constantly fine-tuned so that the right message got across.竞选活动要经常改进以便传达正确的信息。Computers allow the plans to be fine-tuned and to be altered quickly.计算机使得这些图样能够得到细调，并且可以迅速更改。