two spring system 两系弹簧系统
a planar two spring system 二簧系统
two-spring-mass system 双弹簧振子
two-spring-two-freedom vibration system 二自由度两弹簧振子系统
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。
Computation express that the stiffness indirection in new two spring system have increased.
计算表明：改进后的两系弹簧系统在各个方向的刚度都显著增加。
In this paper, the intelligent controller of spring-washer packing system is introduced. The hardware architecture and the method of solving two key-technologies are given.
本文介绍了弹簧垫圈智能包装控制系统，给出了系统的硬件结构，提出了对两个关键技术问题的解决方法。
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