这里$k_j$指代的是$Rate_j$
by 入户功夫 @ 2021-09-16 09:54:10
%%%看不懂
by Electro_Master @ 2021-09-22 16:03:04
%%%看不懂
by DLShadow @ 2021-09-26 08:14:24
%%%看不懂
by flying_luzy_fish @ 2021-09-28 15:25:42