transition boundary
| layer
| transition boundary | |
| tech. | 过渡边界 |
| layer | |
| gen. | 层次 |
| anim.husb. | 蛋禽; 产蛋母鸡; 产蛋鸡 |
| forestr. | 插支 |
| horticult. | 压条; 压枝 |
| hydroel.st. од. | 层 |
| soil. | 土壤层次 |
| |||
| 过渡边界 | |||
|
transition boundary : 10 phrases in 5 subjects |
| Aviation | 2 |
| Chemistry | 2 |
| Space | 1 |
| Technology | 2 |
| Wind Energy | 3 |