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pronumeral; unknown (元,量,物) | |||
hazard | |||
number of unknown | |||
unknown variable | |||
unknown; unknown number | |||
indeterminate; unknown quantity |
未知 数 : 31 phrases in 13 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 1 |
Bridge construction | 2 |
Business | 3 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Finances | 2 |
General | 5 |
Geophysics | 1 |
Oil / petroleum | 2 |
Technology | 10 |
Textile industry | 1 |