他们引入了一种改进的方法来解决这个复杂问题。

They introduced a ___refined approach to solve the complex issue.

通过持续调整，这些科学模型变得非常精细。

The scientific models have become highly ___refined through continuous adjustments.

技术进步催生了越来越精细的设备，例如自主机器人。

Technological advancements lead to ever more ___refined devices, such as autonomous robots.