 |
| English | Chinese |
| percent transmission | 透光百分数 |
| sound transmission Passage of a sound wave through a medium or series of media | 声音传播 (通过媒介或系列媒体传递的声波。) |
|
| English | Chinese |
| percent transmission | 透光百分数 |
| sound transmission Passage of a sound wave through a medium or series of media | 声音传播 (通过媒介或系列媒体传递的声波。) |