D. Calculate the cost performance index.

计算成本绩效指数。

Switchable Light Guides for Improved Cost performance.

光导向切换功能提高了同成本下的机械性能。

Its use can result in improved quality, schedule and cost performance.

采用后可以提高质量、进度和成本绩效。

You can contact us for specific design. We promise high cost performance.

如需专门设计配置，请联系我们。保证高性价比。

In a variety of pipe fittings, ass fittings cost performance is second to none.

在各种管件中，铜管件的性能价格比是首屈一指的。