 |
| |||
| 可变密度调制录音; 疏密录声 | |||
| |||
| 变密度记录 | |||
|
variable-density recording : 5 do fraz, 3 tematyki |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 3 |
| Telewizja | 1 |
|
| |||
| 可变密度调制录音; 疏密录声 | |||
| |||
| 变密度记录 | |||
|
variable-density recording : 5 do fraz, 3 tematyki |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 3 |
| Telewizja | 1 |