https://www.youtube.com/watch?v=gRdCV9p8sAU&list=PL65jGfVh1ilueHVVsuCxNXoxrLI3OZAPI&ind...
IP属地：重庆
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2.8 量子谐振子梯度算符 ladder operator
https://www.youtube.com/watch?v=gRdCV9p8sAU&list=PL65jGfVh1ilueHVVsuCxNXoxrLI3OZAPI&ind...