second-order differential
| system
| second-order differential | |
| avia. | 二阶差分; 二阶导数 |
| system | |
| gen. | 体 |
| IMF. | 安排 |
| leath. | 网 |
| med. | 派 |
| met. | 装置 |
| met. од. | 系 |
| tech. | 制度; 方法 |
| tech. од. | 体系; 系统 |
| |||
| 二阶差分; 二阶导数 | |||
|
second-order differential : 8 phrases in 6 subjects |
| Aviation | 2 |
| Chemistry | 1 |
| Cryptography | 1 |
| Electronics | 1 |
| Space | 1 |
| Technology | 2 |