term of lease

Over the lease period,the lessor undertakes penalty cost when failures occurred to the leased equipment and when such failures are not rectified within specified time limits.

基于在预防维修带来的成本节省和同时增加的维修费用之间的权衡,以设备租赁期内的长期期望成本率最低为决策依据,得出了租赁设备的最优租赁期限和租赁期内的最优预防维修时间间隔及预防维修次数。