effective frequency range
常见例句
- The effective constitutive parameters of forests at high frequency range is analyzed.
本文分析了森林的高頻有傚導磁率和有傚介電常數。 - Changing volume ratio of the two-chamber muffler can improve the effective noise reduction frequency range of the muffler.
通過改變消聲器的兩腔容積比，可以改善消聲器的有傚消聲頻率範圍。 - A tuneable antenna is an antenna that can change resonance frequencies for effective reception of a wide range frequency bands.
一個可調諧天線是一個天線，可以改變一個廣泛有傚的頻段接收共振頻率。
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