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periodic term | |||
cyclic term; cyclical term; periodical term |
周期项: 23 phrases in 12 subjects |
Aviation | 1 |
Commerce | 1 |
Consulting | 2 |
Corporate governance | 2 |
Cryptography | 1 |
Economy | 4 |
Education | 2 |
Electronics | 1 |
Information technology | 1 |
International trade | 2 |
Space | 4 |
Technology | 2 |