光学、声学 光学 phantom 幻像 又称“幻影”。
phantom 幻影，仿真；幻影的，仿真的
数据库 数据库管理系统及其实现技术 释文 phantom 幻影
- Ruaha National Park
- ruan
- Ruanda
- Ruan Dacheng
- Ruan Hao
- Ruan Ji
- Ruan Jingqing
- Ruan Jizhi
- Ruan Keqiang
- Ruan Lingyu
- Ruanmoni
- ruan music
- Ruan Weizhou
- Ruan Xiaoxu
- Ruan Xueyu
- Ruan Yu
- Ruan Yuan
- Ruan Yuan's Catalog of Inscriptions on Sacrificial Vessels
- Ruan Zhangjing
- Ruapehu Volcano
- ru atom frequency standard
- Ru based superconductor
- Ru-based superconductor
- rubato
- ruba’i quatrains