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frequency selective
 frequency selective
space 频率选择; 选频
| surface
 surface
hydroel.st. 外观
math. 曲面
met. 表面加工; 表面处理
oil 地表
swim. 浮出水面

to phrases
frequency selective
space 频率选择; 选频
frequency-selective ['friːkwənsisəˌlεktɪv]
el. 频率选择的
frequency selective surface
: 47 phrases in 10 subjects
Air defense3
Aviation2
Communications6
Electronics11
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Nautical2
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Technology7
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