对于一个给定的股票编号，将返回对应的股票报价。

For a given stock number, a corresponding stock quote is returned.

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特别是当传入的股票编号不存在(如StockD)，或者是给定的股票编号报价不可用时(StockC)，都会抛出异常。

Specifically, an exception is thrown if either the passed stock number does not exist (such as StockD), or if the stock quote for a given stock number is not available (StockC).

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业务标识符的例子包括产品代码，例如global Trade Identification Number (GTIN)，股票代号和条形码编号。

Examples include product codes, such as the Global Trade Identification number (GTIN), ticker symbols, and bar code Numbers.

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This number, CUSIP number, is a number that identifies any security.

USIP代码是所有美国股票及注册债券的编号由美国统一证券辨认委员会管理,用于区别每一项证券

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