 |
| |||
| multiple filter | |||
| ladder type filter | |||
| ladder-type filter (из Т- и П-образных звеньев) | |||
| composite filter; interstage filter; iterated filter | |||
| ladder-type filter; multisection filter; iterative filter; ladder filter | |||
| многозвенный фильтр: 3 phrases in 2 subjects |
| Electronics | 2 |
| Mass media | 1 |