open quantity 起始数量
Open the oysters - he suggests two dozen Kushi, but the quantity and type is up to you.
打开牡蛎，他建议半打，质量和类型取决于你自己。
Through instruments such as open-market operations, the Fed directly controls the quantity of money supplied.
通过公开市场运作等工具，美联储直接控制 货币供给的数量。
A method of calculating ore quantity in practical open pit mine is given.
提出了一种可用于实际露天矿的矿量计算方法。
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