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单一登记法 | |||
单一记账法 |
single plan : 20 phrases in 12 subjects |
Aviation | 1 |
Business | 4 |
Economy | 1 |
Finances | 2 |
General | 1 |
Heavy equipment vehicles | 1 |
Hydroelectric power stations | 1 |
Mathematics | 1 |
Space | 1 |
Statistics | 2 |
Technology | 3 |
Textile industry | 2 |