Since 70's in 20th century, an important character of "Problem Solving" research has been combining cognitive psychology theory with instruction practice.

自20世纪70年代起，“问题解决”研究就开始显现出了认知心理学理论与学校教育教学实践密切结合的重要特点。

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To achieve product design effectively, a new product design method based on Theory of Constraints and Theory of inventive problem solving was put forward.

为有效地完成产品设计，提出了一种基于约束理论与创造性解决问题的理论矛盾分析的产品设计方法。

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The contrivance theory is applied in application of in design of TRIZ (theory of inventive problem solving), and the contradiction solve matrix is applied to seek the product maintenance.

TRIZ理论在产品维修性设计中的应用采用发明原理法，即利用冲突矩阵寻找维修性。

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Only one man, though, seriously tried to systematize innovation to the point where it could be taught: The Soviet patent examiner Genrich Altshuller came up with TRIZ, the Russian acronym for Theory of Inventive Problem Solving.

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