您要查找的是不是：
- 费率 rate
- 不良率 fraction defective
- 容积率 volume fraction
- 倍率 multiplying power
- 电导率 electrical conductivity
- 市盈率 p/e (price/earning) ratio
- 报废率 scrappage
- 机率 probability
- 导率 conductance
- 点击率 clicking rate
- 伸长率 tensile stretch
- 心率 cardiac rate
- 产率 productive rate
- 故障率 hazard rate
- 含水率 water ratio
- 变化率 rate of change
- 完成率 accomplishment ratio
- 良率 yield
- 延伸率 unit extension
- 收率 yield coefficient
