So the paper present the new design for two spring system.

为此，本文对两系弹簧系统的设计进行改进。

youdao

We have a system here of two cars which I connected by a spring.

系统中有两辆车,我将它们用弹簧连接。

youdao

We have a system here of two cars which I connected by a spring.

系统中有两辆车,我将它们用弹簧连接。

youdao