input-output coefficient造句

The sixth chapter end up this paper , it draws a conclusion : the input - output mathematics model can be improved through mathematics research to the input and output method , the input - output coefficient can be simultaneously amended ; computers can be used to draw up the real - time input and output forms , internet can be used to send message immediately , and work out the fact that the time of drawing - up is backward 掳 it makes the drawing - up of the input and output forms more significant
第六章是论文的结束部分。论文的结论是:通过数学方法对投入产出法进行改进研究，可以优化投入产出数学模型，修正适时编制投入产出表时的投入和产出系数;利用计算机编制投入表，再实现计算机网络报送，可以解决长期以来编制时间滞后的问题，使投入产出表的编制更具有现实意义。
It's difficult to find input-output coefficient in a sentence. 用input-output coefficient造句挺难的