- chain filter
- iterated electrical filter
- ladder-type filter
- multiple filter
- multisection filter
- 多: many; much; more
- 节: joint; knob; node
- 滤波器: electric filter; wave filter ...
- 链型滤波器,多节滤波器: chain filter
- 多节滤波器中频放大电路: multi-section filter if amplifier circuit; multi-sectionfilterifamplifiercircuit
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