That retains both advantages possessed by stress space formulation omd strain space formulation of plasticity.

这种方法能同时吸取应力空间描述和应变空间描述两种方法的优点。

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The modern cybernetics, which is expressed by the state-space formulation, is too difficult to understand because of its abstract concepts.

现代控制论应用状态空间方法表示，概念抽象，不易掌握。

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The projects are: rigorous enforcement of trade rights, formulation of a national industrial strategy, cost-benefit testing of environmental rules, and reorganization of the space exploration program.

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