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spectrum
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n．光,光谱,型谱
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详细解释：
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以下为句子列表：
英文: A FFT spectrum analyzer was used to measure the resonant frequency.
中文: 试验时采用六种实大尺寸试材，共振频率之测定系利用FFT频谱分析仪。
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英文: A fault diagnosis mothed for hydro-generator units has been put forward according to their vibration frequency spectrum characteristics.
中文: 摘要针对水轮发电机组振动的频谱特点，提出了基于小波包分析的水轮发电机组振动的故障诊断方法。
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英文: A pyrokineticist finds both beauty and utility in the chaotic shape of flame, its spectrum of fuel-dependent colors, its warming heat, and its never-ending hunger.
中文: 操焰者发现了火焰的狂乱形态中的美和力量，它来自不同燃料的不同光谱，它温暖的热度，以及永无休止的饥渴。
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英文: A voltage signal uexp(tt/Pw) added by zero mean Uniform noise. is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a
中文: 以加上均匀杂讯之单边递减波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。
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英文: A voltage signal uexp(tt/Pw) multiplied by Normal noise is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random
中文: 以乘上准常态杂讯之单边递减波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。
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