Similar to a GTIN, an NDC is not serialized.

与GTIN相似，NDC不是序列化的。

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Thus you can consider NDC a kind of GTIN for drugs.

因此，可以认为NDC是一种用于药品的GTIN。

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

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。

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