早期互联网开发者发现 数据和信息分解成小块，分批发送，然后再合并，可以更有效率的传输 。 这些块就叫数据包（packets）。

The early creators of the Internetdiscovered that data and information could be sent more efficiently when brokeninto smaller chunks, sent separately, and reassembled.

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要特别注意销售控制(运输、批发、存贮、发货)，以确保检验结果最后还是适用于所发送的物料。

Particular attention should be paid to the distribution controls (transport, wholesaling, storage, delivery) to ensure that ultimately the test results are still applicable to the delivered material.

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