Sample tracking production process in a timely manner to correct their mistakes.

全程跟踪样品制作并及时修正错误工艺。

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Sample registration, which involves tracking a small part of the population, can also be used in the absence of full civil registration.

在缺乏全员民事登记的情况下，可以采用跟踪一小部分人口的抽样登记的办法。

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Listing 6 shows a sample session that includes the provenance tracking.

清单6显示了包括起源跟踪的样本会话。

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