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描述了秩为4的一阶及二阶Jacobian的性质和运算规则,探讨了运用Mathematica软件及秩为4的Jacobian研究二组分单相系统的热力学一、二阶偏微商的方法。
The first order and second order Jacobian of rank 4 are described. The first and second order differential operators are studied by using Mathematica software and rank 4 Jacobian.