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unit sample | |||
unit sampling |
单位 抽样 : 33 phrases in 11 subjects |
Advertising | 1 |
Agriculture | 1 |
Business | 4 |
Finances | 3 |
Information technology | 2 |
International Monetary Fund | 1 |
International trade | 1 |
Marketing | 1 |
Mathematics | 2 |
Statistics | 9 |
Technology | 8 |