principle of knowledge
| engineering
| principle of knowledge abbr. | |
| IT | 知识原理 |
| engineering abbr. | |
| avia. | 研制部门; 设计和研制 |
| desert. | 工程 |
| econ. | 工程学 |
| met. | 工程; 设计; 技术; 工艺; 操纵技术 |
| space | 工程 技术 |
| |||
| 知识原理 | |||
|
principle of knowledge : 1 phrase in 1 subject |
| Horticulture | 1 |