本文给出投入产出技术中直接消耗系数矩阵的性质，以及它在多部门宏观经济中的应用。
This paper gives the properties and applications of direct consumption coefficient matrix in multi - sector macroeconomics.
在已知系统系数矩阵以及动响应的情况下，利用动载荷识别技术可以探知未知的动载荷。
The technique of dynamic load identification can be used to identify unknown dynamic load in the case of knowing matrix of coefficient and dynamic response being measured already.
在已知系统系数矩阵以及动响应的情况下，利用动载荷识别技术可以探知未知的动载荷。
The technique of dynamic load identification can be used to identify unknown dynamic load in the case of knowing matrix of coefficient and dynamic response being measured already.
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