理论计算机科学 可计算性与计算复杂性 释文 NP-hard problem NP困难问题
- tongs
- Tongshan Qu
- Tongshan Xian
- Tong sheep
- Tongsheng Photo Studio in Beijing
- Tongsheng Photo Studio in Tianjin
- Tong Shuheng
- Tong Tanjun
- tongtian
- Tongtiandong
- Tongtian He
- Tongtianyan grottoes
- tong torque indicator
- tongue
- tongue examination
- tongue manifestation
- tongue position
- tongue sole
- tongue with red spots (bigger)
- tongue with red spots (smaller)
- tongue worm
- tonguing
- Tongwan City
- Tongwei Xian
- Tongwen Guan