[试题]Production-possibility frontier(PPF)生产可能性边界
[主观题]生产可能性曲线(Production possibilities curve)
[名词解释] 生产可能性曲线(Production possibilities curve)
[主观题]Production function生产函数
[名词解释] 初级生产(Primary Production)
[名词解释] 次级生产(Secondary Production)
[名词解释] Production function生产函数
[名词解释] 生产函数(Production function)
[主观题]效用可能性曲线(Utility of possibility curve)
[名词解释] 效用可能性曲线(Utility of possibility curve)