percentage production decline curve[经] 产量递减百分数曲线
production history curve开采曲线
THE PRODUCTION POSSIBILITIES CURVE生产可能性曲线
Production Possiblility Curve生产可能性曲线
r production contract curve生产契约曲线
production decrement curve产量衰减曲线
Production indifference curve无差异曲线
production possibility curve[经] 生产可能性曲线;生产可能性曲线
production index curve生产指示曲线