《概率论》是在多年的教学实践基础上逐步形成并汇编成册的，内容包括：初等概率论，随机变量，数字特征与特征函数，极限定理等。 -‘Probability theory’ is based on many years of teaching practice gradually developed and compiled into a book, and include: elementary probability theory, random variables, numbers, chara