protracts

this paper compares and analyzes the associated situation of the several input and output forms of china since the innovation, protracts the chart of the association of industries.

采用产业关联分析方法，对照分析了我国改革开放以来数张投入产出表所反映的产业关联状况，并采用解释结构模型分析、绘制了我国现阶段的产业关联图谱。

The purse of the patient protracts the disease.

病人的钱包使病延长.

this paper uses the interpretative structural model to the associating analysis of the industries, protracts the picture of the association of the industries of modern china through the analysis of the relationships of items.

将系统工程的解释结构模型方法应用到产业关联分析中，通过要素关系分析，绘制了我国现阶段产业部门的产业关联图谱；

this article makes research to the common exam management system in lan based on analyses of exam management systems in existence and protracts data stream charts.

本文在分析现有考试管理系统的基础上，对局域网环境下的通用考试管理系统进行了研究，设计了系统的数据流图。