Introduced in the second chapter was the input-output analysis method (Input-Output,IO), this method is an economic quantity method which focus on economical system.
在第二章中介绍了投入产出分析方法(Input-Output,IO),该方法是研究经济系统各个部分间表现为投入与产出的相互依存关系的经济数量方法。
参考来源 - 中国涉农产业：结构、关联与发展·2,447,543篇论文数据，部分数据来源于NoteExpress
Methods Urine iodine was detected by fast quantity method.
方法尿碘含量测定采用尿碘快速定量检测法。
The percentage of copper in metal deposition is determined by iodine quantity method.
采取碘量法测定沉物金属中铜的比例。
Thus it is ideal to have a fix quantity method to draw a conclusion with relatively fixed quantity and certainty.
因此，需要有一种定量方法，使结果能相对定量化和确定化。
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