Play - bartok : concerto for viola orchestra 2nd movement - lento 播放-巴托:中提琴协奏曲第二乐章-缓慢
2.
The study of exceptional set has a history of half a century . in reference ( 2 ) , lento extended the famous picard theorem and presented the concept of exceptional set of entire functions and meromorphic functions . and the exceptional set in his result was an infinite sequence of complex numbers 例外集问题的研究，已有半个世纪的历史，在文献2中， lehto推广了著名的picard定理，并首次提出例外集的概念，在他的结论中，例外集为一无穷复数序列。
