set-operation
| query
| set operation abbr. | |
| comp. | 数据集操作 |
| construct. | 集 运算 |
| query abbr. | |
| archer. | 疑问 |
| busin. | 查核; 査核 |
| interntl.trade. | 假钞票; 假钱; 质问; 请向; 询问 |
| oil | 询价 |
| space | 査询 |
| |||
| 数据集操作 | |||
| 集合运算 | |||
| 集合运算; 集合操作 | |||
|
set-operation : 11 phrases in 6 subjects |
| Automobiles | 2 |
| Business | 1 |
| Cryptography | 3 |
| Electricity | 1 |
| Hydroelectric power stations | 2 |
| Technology | 2 |