BusinessScopeKey__c false if(AND(!ISBLANK(RegisterNoClass_New__c),!ISBLANK(RegisterNoClass_Old__c)), TEXT(MedPrdClass__c) & RegisterNoClass_Old__c & ';' & TEXT(MedPrdClass__c) & RegisterNoClass_New__c, if(ISBLANK(RegisterNoClass_Old__c), if(ISBLANK(RegisterNoClass_New__c), '', TEXT(MedPrdClass__c) & RegisterNoClass_New__c ), TEXT(MedPrdClass__c) & RegisterNoClass_Old__c ) ) BlankAsZero 经营范围（KEY） false false Text false