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秦汉度量衡器
释义
秦汉度量衡器
Encyclopedia
历史学
秦汉度量衡
释
Weights and Measures of Qin and Han Dynasties
秦汉度量衡器
中国秦汉时期测量长度、容量及重量(质量)的标准器具,主要包括度器、量器、权衡器等。
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frequency hypothesis
frequency hysteresis
frequency indicator
frequency instability
frequency interval
frequency inversion
frequency jitter
frequency judge approach
frequency jumping
frequency locking
frequency-locking
frequency matching
frequency measurement
frequency measuring equipment
frequency meter
frequency meter, frequency counter
frequency method
frequency mixing
frequency-modulated cyclotron
frequency modulated oscillator
frequency modulated wave
frequency modulation
frequency modulation and control
frequency modulation and demodulation
frequency modulation, FM
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