performance and cost rate的用法和樣例：
例句
- Only low cost or high costeffectiveness interventions are included at this level.
在這個(gè)治療水平中僅僅包括消費最低和性?xún)r(jià)比最高的干預措施。 - As interleavers have a fairly high cost performance, they have been extensively used in narrow interval DWDM systems.
摘要梳狀分波器由于具有較高的性?xún)r(jià)比，在窄間隙密集波分復用系統中已大量使用。
