performance and cost rate

• 性价比

performance and cost rate的用法和样例：

例句

1. Only low cost or high costeffectiveness interventions are included at this level.
   在这个治疗水平中仅仅包括消费最低和性价比最高的干预措施。
2. As interleavers have a fairly high cost performance, they have been extensively used in narrow interval DWDM systems.
   摘要梳状分波器由于具有较高的性价比，在窄间隙密集波分复用系统中已大量使用。