文中建立了张力动态位移加载模型，并在大型程序（EPFEP3）中得以实现。
In the apprcach a dynamic tension establishing model is obtained, and is carried out in program 'EPFEP3'.
对四种非稳定工况下的动态特性进行计算机仿真，得出整个刮板输送机在任意点的位移、速度、加速度和动张力。
Finally, computer simulation is applied to get the displacement, velocity, acceleration and tension of the anyplace on the scraper conveyor for the four special working condition.
恒力弹簧支吊架是一种在限定位移内对被支吊物施以恒定张力的装置。
Constant force spring hanger is a device which puts invariable tension on the thing it hangs in limited displacement.
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