working of an invention

例句：

1. 1.The engineer spent hours analyzing the workings of the new machine.
   工程师花了数小时分析新机器的工作原理。
2. 2. The scientist discovered a new way to improve the workings of the device.
   科学家发现了一种新的方法来改进该设备的工作原理。
3. 3. The inventor's work on this project has significantly improved the workings of the system.
   这位发明家对该项目的工作大大改善了系统的功能。