词汇	残留信号
释义	残留信号 residual signal
随便看	urban underground works urban underlying surface urban underlying surfaces Urban Undrground Pipelines urban unemployed workers urban unemployment urban unemployment rate Urban unemployment would rise perilously urban university urban untreated wastewater urbanupgrade urban/urbanization Urbanus urban utilities urban utility tunnel urban utilization urban Uygur people Urban V urban vagrants and beggars urban value urban value chain urban vegetation urban vegetation community urban vehicle Urban vehicles poputation