appoximation

常见例句

The superconducing transition temperature T_c of 2+1 dimensional BCS- type superconductors in the presence of the spin-density wave is studied in the mean-field appoximation.
对于2+1维BCS型超导体与自旋密度波共存的系统,在平均场近似下,应用含温度格林函数方法得出了超导相变温度Tc与自旋密度波序参量M的关系。
On the Appoximation Problem of Fixed Points for Generalized Quasi-Contractive Mappings in Convex Metric Spaces
凸度量空间中广义拟-压缩映象的不动点的逼近问题