1 高等数学 1.1 导数定义 导数和微分的概念 或者： 1.2 左右导数导数的几何意义和物理意义 函数在处的左、右导数分别定义为： 左导数： ...
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BREVITY IS THE SOUL OF WIT
Zhuo Li
I graduated from the University of Melbourne, Australia in 2020. Currently I'm working at China Huadian Corporation, engaged in international bussiness and investment.