change-of-variable
| formula
| change of variable | |
| tech. | 更换变量; 变数的更换 |
| tech. од. | 变量变换 |
| formula | |
| econ. | 方案 |
| footb. | 阵形 |
| math. | 程式 |
| met. | 公式; 算式 |
| oil | 定则; 准则 |
| oil од. | 配方 |
| racing | 车辆技术规则 |
| sport. од. | 公式 |
| |||
| 更换变量; 变数的更换; ★ 变量变换 | |||
| |||
| 变数更换; 变元 | |||
|
change-of-variable : 7 phrases in 4 subjects |
| Business | 2 |
| Cryptography | 1 |
| Space | 1 |
| Technology | 3 |