relational algebra
| language
| relational algebra abbr. | |
| multimed. од. | 关系代数 |
| language abbr. | |
| gen. | 文; 语; 语言; 文字 |
| gen. од. | 语言 |
| comp. | 代码; 符号组 |
| dril. | 机器代码 |
| math. | 用语 |
| met. | 术语 |
| |||
| ★ 关系代数 | |||
|
relational algebra : 4 phrases in 3 subjects |
| Electronics | 1 |
| Information technology | 2 |
| Technology | 1 |