您要查找的是不是：
- lean-to-fat ratio (猪肉)肥瘦比率
- drag-to-weight ratio (车辆的)拉力与重量之比
- coarse-to-fine aggregate ratio (混凝土的)粗细骨料比
- in，from，out，以及of都是介词。The words'in','from','out' and 'of are prepositions.
- 介词OFPreposition OF
- Ratio方法Fisher ratio method
- Ratio算子Ratio detector
- 资金报表,见 statement of changes in financial positionfunds statement
- 英语中,不定式往往与"to"字连用。In English an infinitive is often used with the word "to".
- 的例外 of /at sthexception to ...
- C／N ratio碳氮比
- （接“to”）排他性的适用于特定的种类、情况或者地点。(followed by'to') applying exclusively to a given category or condition or locality.
- G／E ratio粒细胞红细胞比率
- part-of关系part-of relation
- TO试剂TO
- G／N ratio糖氮比率
- Doctor of PharmacyD.Pharm.
- TO封装TO packaging
- P／O ratio磷氧比值
- k-out-of-n系统k-out-of-n system
