“近百年”是一个比较模糊的时间概念。大体而言,相当于从晚清民国以来直至本世纪初这样一百年左右的时间段,基本上以20世纪为中心,但不局限于20世纪,前后两端有所延伸,上起19世纪末,下到21世纪初。这样处理的好处在于,照顾到了学术史的传承与流变,避免了人为设定某年某月为起止点的机械性。 “Nearly a hundred years ” is a rather vague concept of time. Generally speaking, the time period from the late Qing Dynasty to the beginning of this century is basically the 20th century, but it is not limited to the 20th century. Both ends of the 20th century have been extended. Starting from the end of the 19th century , Until the early 21st century. The advantage of such a treatment is that it takes care of the inheritance and evolution of academic history and avoids the artificial establishment of a certain month as the starting point and ending point of a certain year.