spectrum
美音:
[´spektrəm
]英音:
[´spektrəm
]n.光,光谱,型谱 频谱
难易程度:
spectrum为短语/超纲词汇
词频:3810
词形变化:
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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