IF(REPLACE(GREPARRAY('源数据'!A2 + '源数据'!D2, LEFT(item, LEN(A2)) = A2), A2, "") <='等级'!A15,'等级'!D15,IF(AND(REPLACE(GREPARRAY('源数据'!A2 + '源数据'!D2, LEFT(item, LEN(A2)) = A2), A2, "") <='等级'!A16,REPLACE(GREPARRAY('源数据'!A2 + '源数据'!D2, LEFT(item, LEN(A2)) = A2), A2, "") >'等级'!A15),'等级'!D16,IF(AND(REPLACE(GREPARRAY('源数据'!A2 + '源数据'!D2, LEFT(item, LEN(A2)) = A2), A2, "") <='等级'!A17,REPLACE(GREPARRAY('源数据'!A2 + '源数据'!D2, LEFT(item, LEN(A2)) = A2), A2, "") >'等级'!A16),'等级'!D17,'等级'!D18)))