noise measuring | |
el.mach. | 噪声测量 |
railw. | 噪声量 |
buoy | |
hydroel.st. | 浮标; 漂浮; 浮起 |
met. | 浮子; 救生用具 |
| |||
噪声测量 | |||
噪声量 | |||
| |||
噪声测定; 噪声测量 |
noise measuring buoy : 20 phrases in 7 subjects |
Air defense | 2 |
Ecology | 1 |
Electric machinery | 2 |
Electronics | 2 |
Geophysics | 2 |
Otorhinolaryngology | 3 |
Technology | 8 |