Error in units for the following equation:
#LV1<DELAY1I(城镇化率,1,0.3478)#  =
        INTEG( 城镇化率
                  - #DELAY1I(城镇化率,1,0.3478)# ,
             ( 0.3478)
                  * ( 1) )
#LV1<DELAY1I(城镇化率,1,0.3478)#  --> Dmnl

Analysis of units error:
Right hand and left hand units do not match
#LV1<DELAY1I(城镇化率,1,0.3478)#
Has units:  Dimensionless
INTEG( 城镇化率
          - #DELAY1I(城镇化率,1,0.3478)# ,
     ( 0.3478)
          * ( 1) )
Has units:  Year
应该怎么改，请大神赐教！