multiple-pole
| filter
| multiple pole | |
| IT | 重极点 |
| filter | |
| gen. | 过滤 |
| environ. | 过滤器 |
| f.trade. | 滤光 片; 漏斗 |
| math. од. | 滤波器 |
| met. | 滤光镜 |
| met. од. | 滤光片 |
| opt. | 滤光器，滤光片 |
| racing од. | 滤器 |
| rem.sens. од. | 滤色片 |
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| 重极点 | |||
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| 多极的 | |||
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multiple-pole : 4 phrases in 3 subjects |
| Electronics | 1 |
| Space | 1 |
| Technology | 2 |