Characteristics and control of passenger flow at urban rail transit stations Alysis and forecast of passenger flow in urban rail transit 并列题名：Alysis and forecast of passenger flow in urban rail transit 并列题名：Optimization-based control of passenger flow distribution in subway stations Optimization-based control of passenger flow distribution in subway stations Theory and application of collaborative passenger flow control in urban rail transit network Urban design about core area of suburban rail transit station Characteristics and control of heavy metal pollution sources in copper and lead industrial sites