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spectrum

美音:[´spektrəm ]点这儿播放单词美音发声
英音:[´spektrəm ]点这儿播放单词英音发声
n.光,光谱,型谱 频谱

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spectrum为短语/超纲词汇   词频:3810

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名词复数:spectra

近义词, 同义词

spectrum


/'spektrəm; `spɛktrəm/
n (pl spectra / 5spektrE; `spZktrE/) (usu sing 通常作单数)
1 image of a band of colours as seen in a rainbow (and usu described as red, orange, yellow, green, blue, indigo and violet), formed by a ray of light that has passed through a prism 光谱.
2 similar series of bands of sound 声谱; 频谱
*the sound spectrum 声谱.
3 (fig 比喻) full or wide range or sequence 范围; 系列
*covering the whole spectrum of ability 涉及整个能力范围. =>Usage at data 用法见 data.

spectrum


npluralspectra [-trə/
1. The microwave spectrum means nothing to an outsider.
    微波谱对一个外行来说毫无意义。

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