| 科 |
kē jì shù | tech tree; pattern or sequence of technological development (in gaming or metaphorically in real-world innovation) |
| 科 |
kē | branch of study / administrative section / division / field / branch / stage directions / family (taxonomy) / rules / laws / to mete out (punishment) / to levy (taxes etc) / to fine sb / CL:个 |
| 科 |
kē jì | science and technology |
| 技 |
jì | skill |
| 树 |
shù | tree / CL:棵 / to cultivate / to set up |