... 旋臂试验 rotating arm experiment; 旋臂星族 arm population; 旋臂钻床 drilling machine with jointed arm; radial arm boring machine; ...
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In a unique economic experiment, 16 countries with a combined population of 329m have handed over monetary sovereignty to an entity at arm's length from national politics: the European Central Bank (ECB).
ECONOMIST: Holding together
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