1)duty-shift commander,值班指挥员2)shift commander,值班指挥员3)on watch,值班4)attendance,值班5)duty watch,值班6)on duty,值班7)watch keeping,值班8)watch-keeping,值班9)watch,值班10)take up the ball,值班
用法和例句
Conventional on watch systems have such weaknesses as poor flexibility,absence of interoperability,high cost for use and rebuilding.