material input and output volume 物质输入与输出量
material input and output intensity 物质输入与输出强度
material input and output efficiency 物质输入与输出效率
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。
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。
The exchange of commodities is the major cause for the output and input of energy and material between agro-ecosystems.
商品交换是造成农业生态系统间的能量和物质输出及输入的主要原因。
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