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- 电工electrician
- 电工技术electroengineering
- Ratio方法Fisher ratio method
- Ratio算子Ratio detector
- 电工钢electric steel
- C／N ratio碳氮比
- 他的职业是电工技师。He is an electrical technician by profession.
- G／E ratio粒细胞红细胞比率
- 国际电工委员会IEC
- G／N ratio糖氮比率
- 电工刀electrician's knife
- P／O ratio磷氧比值
- F-ratio准则F.ratio criterion
- 维修电工maintenance electrician
- log-ratio算子log-ratio operator
- 一位电工修理了这炊具。An electrician repaired the cooker.
- Ratio值累积法ratio accumulation method
- 电工及电子技术基础Basis of Electrotechnics & Electronic Techniques
- form ratio (河流)深宽比
- 电工基础Fundamental Theory of Electrical Engineering
