两者之间的优化组合是实现课程教学的重要保证。
The optimal combination between the two is an important guarantee for achieving teaching.
该带钢是发达国家特别是对于优化组合的物理力学性能。
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。
The strip steel is developed especially for optimum combination of the physical and mechanical properties.
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