螻ID n螳 貂襴郁 .
谿 螻ID Max(貂襴磯覯) 谿朱 螻 矩.
=CALCULATE(MAX('貂襴'[覯]),FILTER('貂襴',[螻ID]=EARLIER([螻ID])))
谿瑚
https://community.powerbi.com/t5/Desktop/DAX-Calculate-the-Max-for-a-Group/td-p/64645