two tier
| hierarchy
| two-tier | |
| gen. | 双层的; 双重的 |
| hierarchy | |
| econ. | 级; 依次递进 |
| manag. | 等级制度; 阶层; 统治集团 |
| math. | 分层结构; 分级结构 |
| space | 分级; 等级 |
| |||
| 双层的; 双重的 | |||
| 双排; 双层 | |||
|
two tier : 88 phrases in 23 subjects |