在分析了地铁站台火灾时烟气流场变化规律的基础上，提出了临界通风速度的概念。
Based on the analysis of the variation law of smoke flow in subway platform fire, a concept about critical ventilation speed from platform to concourse was presented.
利用平均场近似的方法，研究了立方晶格上具有DM相互作用的混合XXZ模型的相变和临界性质。
By using the mean-field approximation method, the critical behavior of the mixed-spin XXZ model with DM interaction on the cubic lattice is studied.
本文应用平均场近似讨论了对角无序对局域电子配对系统的上临界磁场的影响。
The effect of diagonal disorder on the upper critical field of the local electron pair system is studied in the framework of the mean field approximation.
本文应用平均场近似讨论了对角无序对局域电子配对系统的上临界磁场的影响。
The effect of diagonal disorder on the upper critical field of the local electron pair system is studied in the framework of the mean field approximation.
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