The strip steel is developed especially for optimum combination of the physical and mechanical properties.
该带钢是发达国家特别是对于优化组合的物理力学性能。
This modification is not only an optimum program but also a design for mechanical models.
这一“修改”既是数学上的优化问题又是工程设计问题。
This modification is not only an optimum program but also a design for mechanical models.
这一“修改”既是数学上的优化问题又是工程设计问题。
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