=IF(COUNT(IF(FIND("A",A1:A100,1)>1,"",1))<>0,COUNT(IF(FIND("A",A1:A100,1)>1,"",1)),"")&"A"&IF(COUNT(IF(FIND("T",A1:A100,1)>1,"",1))<>0,COUNT(IF(FIND("T",A1:A100,1)>1,"",1)),"")&"T"&IF(COUNT(IF(FIND("M",A1:A100,1)>1,"",1))<>0,COUNT(IF(FIND("M",A1:A100,1)>1,"",1)),"")&"高"
公式复制过去粘贴，三键回车以数组方式运算，Ctrl+Shift+Enter三键同时按下