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acoustical filter
space 滤声器; 声滤波器
tech. 消声器; 音滤波器
telecom. 声滤器
acoustic filter
avia. 声滤波器
space 消声器; 滤声器
tech. 音滤波器
wind. 声过滤器
acoustic filter A device employed to reject sound in a particular range of frequencies while passing sound in another range of frequencies
environ. 滤声器 (一种用来过滤某个频率范围的声音同时允许另一个频率范围的声音通过的设备。)
acoustical filter
: 40 phrases in 10 subjects
Aviation1
Electronics7
Geophysics2
Information technology2
Nautical11
Oil / petroleum1
Piezoelectric crystals2
Space2
Technology11
Telecommunications1

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