 |
| |||
| external effect; externality; spill-over | |||
| external factor | |||
| |||
| externalities | |||
| external factors | |||
| network externalities | |||
|
factor externo : 6 短语, 5 学科 |
| 压电晶体 | 1 |
| 地球科学 | 1 |
| 天线和波导 | 2 |
| 环境 | 1 |
| 联合国 | 1 |
|
| |||
| external effect; externality; spill-over | |||
| external factor | |||
| |||
| externalities | |||
| external factors | |||
| network externalities | |||
|
factor externo : 6 短语, 5 学科 |
| 压电晶体 | 1 |
| 地球科学 | 1 |
| 天线和波导 | 2 |
| 环境 | 1 |
| 联合国 | 1 |