C2=ROUND(MOD(D2,10)/2,0)&"单元"向下复制
=if(or(or(A3=101,A3=102),or(A3=201,A3=202)) ,"一单元",if(or(or(A3=103,A3=104),or(A3=203,A3=204),"二单元"),"")
行列号都没有，猜测着写？
