first derivative | |
econ. | 第一导数; _次导数 |
element | |
hydroel.st. | 元素; 成分; 单元; 电极; 电池 |
math. | 集合的元素 |
met. | 元件 |
| |||
第一导数; _次导数 | |||
一阶导数 |
first derivative : 14 phrases in 6 subjects |
Air defense | 1 |
Electronics | 2 |
Geology | 1 |
Oil / petroleum | 1 |
Technology | 8 |
Water resources | 1 |