variable-density
| record
| variable density abbr. | |
| geophys. | 变密度 |
| oil | 变密度 |
| record abbr. | |
| gen. | 记录; 自 记; 录音; 显 示; 标 出; 记录曲线 档案 |
| gen. | 唱片 |
| hydroel.st. | 记录 |
| |||
| 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 |