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theconversation.com
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Tracing and identifying the sources of an outbreak is a challenging task that can take months or years. Thanks to the Blockchain, however, companies now know exactly where their food has been—so they can trace its location and prevent future outbreaks.
第三十九条 居民委员会和居务监督委员会应当建立居务档案。居务档案应当真实、准确、完整和规范。