variable-density
| track
| variable density | |
| geophys. | 变密度 |
| oil | 变密度 |
| track | |
| gen. | 跑道; 追踪; 足迹 |
| hydroel.st. од. | 轨道 |
| IT | 声序; 电痕 |
| IT од. | 磁道; 道 |
| rem.sens. | 跟踪 |
| wind. | 轮距 |
| |||
| 变密度 | |||
| 可变密度 | |||
| |||
| 变密度记录剖面 | |||
|
variable-density : 45 phrases in 8 subjects |
| Aviation | 2 |
| Construction | 3 |
| Geophysics | 12 |
| Oil / petroleum | 5 |
| Space | 2 |
| Technology | 19 |
| Television | 1 |
| Wind Energy | 1 |