digital multiplex
| hierarchy
| digital multiplex abbr. | |
| telecom. | 数字复用 |
| hierarchy abbr. | |
| 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 |
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| 数字复用 | |||
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digital multiplex : 14 phrases in 5 subjects |
| Electronics | 7 |
| Information technology | 2 |
| Rail transport | 1 |
| Space | 2 |
| Telecommunications | 2 |