Moreover, the annual growth rates of material input and output volumes were obviously larger than those of population in the study period.

此外，人均物质输入与输出量的年增长率明显大于同期人口的年增长率。

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Secondly, the factory shall perfect its management system, and establish accounts, record material input and output for future reference as required by the customs.

二是工厂要健全管理制度，按海关要求建立帐册、记录投料与产出时间备查。

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