重积分不仅在数学、工程、力学、统计方面有重要应用,而且在经济社会科学中也有巨大价值。例如商品的投入产出估算，股票、期货、外汇、期权的成交量，人口预测模型，与微观经济...

As for his masterpiece, A Streetcar Named Desire is generally considered to be Williams’ greatest play. In the play, Williams shows the reality of people’s lives, an enduring concern throughout his writing career. He writes the play beli...

从姚木兰的思想、爱情、人生态度方面表现了人物性格的“互补性”，“和谐性”。从女性形象上看，林语堂的《京华烟云》为中国文学塑造了一个鲜活的女性形象，即有着二重性格特...

本文基于文献[1-7]的部分思想,针对选用合适的一对步长，使用矩形有限元离散泊松方程得到的粗网格方程及细网格方程,采用三次样条插值算子作为插值算子,选用共轭梯度法作为在细层上...

First of all, this thesis is discussed the definition of dual personality. Second, it is given an analysis of Edmond’s dual personality according to the definition of dual personality. Furthermore, it is proved that a person’s personalit...