信息安全 容侵系统与生存技术 释文 contingency plan, emergency plan 应急计划
- rugby field /american football field
- rugby field turf
- Ru Ge
- rugen
- ruggedness
- Ruggero Leoncavallo
- Ruggero Raimondi
- rughcast of lacquerware
- rugosa
- rugosimeter
- Ru Hao
- Ru He
- Ruhmkorff coil
- Ruhr
- Ruhr Coalfield
- Ruhr Problem
- ruhrstahl-heraeus vacuum degassing process
- Ruhrtriennale
- ruhunu dance
- Rui'an Museum
- Ruianzhongxue
- Ruicaokui
- Ruichang Chuangu chant
- Ruichang tea-picking opera
- Ruicheng Xian