They also provided a heuristic with the worst-case performance ratio of 5/3, and this bound is tight.
他们也给出了一个启发式算法，它的最差执行比为5／3，并且这个界是紧的。
It is ASC's mission to continue being the leading company in price-performance ratio as well as customer service.
提供高性价比的产品，提供优质的客户服务，做该行业的带头人是我们矢志不渝的目标！
The company has advanced production equipments and rich technical strength. Excellent performance ratio has become the edge tool of market.
公司拥有先进的生产设备和雄厚的技术实力，其产品卓越的性价比，成为企业搏击市场的利器。
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