全面总结了韶山7型电力机车抱轴箱体在使用中发生裂纹的现场处理、理论分析和设计改进的过程。
Summed up is the process of the crack treatment on spot, the theory analysis and the design improvement of the hugging-bearing box body (HBBB) for SS7-type electric locomotive.
本文使用二次型的理论进行判断，并将问题扩大为求任意多元函数的极值。
This paper USES the theory of quadratic form to distinguish this problem, not only that, it enlarge to calculate extreme value for function of many variable.
传统物权客体理论在指导思想、物的特征表现、价值属性和使用方式等方面与节约型社会理念存在诸多矛盾。
The orthodox theory of the object of property right conflicts with the Conservation-oriented Society, relating to the guidelines, characteristic of object, value attribute and the way of use.
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