two-by-two
| frequency table
| two by two | |
| gen. | 两个两个 |
| frequency table | |
| busin. | 频率表 |
| math. | 频率表，频数表 |
| met. | 频数分布表 |
| space | 频数表 |
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| 两个两个 | |||
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two-by-two : 108 phrases in 30 subjects |