您要查找的是不是：
- 经scripture
- 经期menstrual period
- 心经heart channel
- 经编warp knitting
- Ratio方法Fisher ratio method
- 道德经Classic of the Virtue of the Tao
- Ratio算子Ratio detector
- 经授权的authorized
- C／N ratio碳氮比
- G／E ratio粒细胞红细胞比率
- 经书Confucian classics
- G／N ratio糖氮比率
- 绝经menostasia
- P／O ratio磷氧比值
- 爱经Kamasutra
- F-ratio准则F.ratio criterion
- 五经the five classics
- log-ratio算子log-ratio operator
- 外经foreign economic relations
- Ratio值累积法ratio accumulation method
