element migration
| experiment
| element migration | |
| desert. | 元素迁移 |
| experiment | |
| gen. | 进行实验 |
| environ. | 实验 |
| math. | 试验，试探 |
| met. | 科研设备; 科学仪器 |
| oil | 实验 |
| scient. | 进行试验 |
| space | 科研 设备 |
| sport. | 进行实验 |
| tech. | 试验 |
| |||
| 元素迁移 | |||
|
element migration : 14 phrases in 3 subjects |
| Desert science | 3 |
| Geography | 1 |
| Technology | 10 |