- 变量: variable; variable quantity; ...
- 投入产出: input and output; input output; invest and produce; throw in and turn out
- 投入产出比: input and output ratio; input-output ratio; output input ratios
- 投入产出表: diagrammatic representation of input-output; input output table; input-output production table; input-output tables; inputoutput table
- 投入产出法: input output method; inputoutput analysis method; interindustrial relations analysis
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