The Federal Reserve, like most major central banks, has already lowered its short-term interest rate, its main policy lever, in effect to zero.

大多数中央银行通过政策杠杆调控经济，美联储也将短期利率几乎降为0。

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The main strap can be tightened with a pretty simple tug on the inside lever.

主要的束带可以借由简单的扳动中央拨杆来束紧。

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Optical lever method is a main technique to detect the cantilever's position in atomic force microscope (AFM).

光杠杆法是原子力显微镜(afm)悬臂定位的主要方法。

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