Read Edit View history 频谱 pínpǔ spectrum Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 频谱/頻譜 · pínpǔ · spectrum 2026/03/04 频谱 / 頻譜 pínpǔ spectrum the frequency spectrum of a signal or its visual representation (spectrogram) 这种无线电设备可以扫描很宽的频谱范围。 noun created sense Mar 4, 2026, 02:25 AM