Constant force spring hanger is a device which puts invariable tension on the thing it hangs in limited displacement.

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。

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Check the wear of the electric brush and see whether the constant force spring has distorted or not. Over-worn electric brush and distorted force spring should be replaced.

检查电刷磨损情况，及恒力弹簧是否变形，电刷磨损过多或恒力弹簧已变形予以更换。

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In the early 1400s came the invention of the coiled spring or fusee which maintained constant force to the gear wheels of the timekeeper despite the changing tension of its mainspring.

在15世纪早期，人们发明了螺旋弹簧或均力圆锥轮，尽管它的主弹簧的张力不断变化，但仍能对计时装置的齿轮保持恒定的力。

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The anger of the many educated but unemployed young people has been a driving force in the Arab Spring movement.

VOA: special.2011.05.27

Newton is not going to come and tell you what force the spring will exert when it's pulled by some amount.

牛顿不会过来告诉你,弹簧被拉伸一定量时会产生多大的力

耶鲁公开课 - 基础物理课程节选

Even in the case of this spring, when you pull it, if you pull it to the right by some force.

甚至是在这样的弹簧问题中,当你拉它的时候,如果你用力向右拉

耶鲁公开课 - 基础物理课程节选

They will also be automatically available for those on the new system of personal independence payments (Pip) which come into force next spring.

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With an overabundance of highly motivated graduates with impressive degrees entering the work force each spring, Major League Baseball can capitalize on the apprehensions of young adults when it comes to pursuing traditional and unstable careers in banking, financial services and law.

FORBES: Advancements in Recruiting Could Create a New Generation of Baseball Executives

Two were delivered to the Japanese air force earlier this spring.

CENTERFORSECURITYPOLICY: Firing offense