词汇	程控系统
释义	程控系统 program-control system程控
随便看	relative extreme temperature events relative extreme value relative extremum relative fact Relative facters relative factor relative factor cost relative factor prices relative factors relative facts relative failure frequency relative fairness relative faithfulness relative fall relative fall of sea level relative fatness relative features relative fecundity relative feeble group Relative fee for fire-fighting facility Relative fee for fire-fighting facility? relative fefractive index difference relative field relative field drop relative field strength