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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A coiled spring forms a spiral.

一条卷起来的弹簧形成一个螺旋形。

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Normal, double-helix DNA is spiral , like a loosely coiled spring.

正常的双螺旋DNA是螺旋形的，像一根松松地卷曲的弹簧。

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Israel is like a coiled spring of enterprise waiting for its corrupting political system to stop suppressing it.

ECONOMIST: Israel at 60

The Japanese economy is a coiled spring, wrapped forever tighter over a generation.

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In a sense, the market often acts like a coiled spring.

FORBES: Bad News Usually Spells Good Buys