When were the decimal COINS put into circulation?

十进位的硬币是什么时候发行的？

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The bills were put into circulation in 1987 and printed in limited quantities.

这些货币1987年投入流通，限量印制。

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Well-controlling the quantity of cash put into circulation is the key of controlling money supply;

调控现金投放总量，是把握货币供给的核心和关键；

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In May, a new five-euro note will be put into circulation by the European Central Bank.

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It is controlled in part by the amount of dollars printed by the Treasury and put into circulation by the Federal Reserve.

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