... coefficient of efficiency 有效系数 coefficient of frequency 频率系数 coefficient of intellectual ability 智能系数 ...
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coefficient of frequency modulation [电子] [通信] 调频系数
coefficient of frequency ratio 频比系数
thermal coefficient of frequency 频率温度系数
temperature coefficient of resonance frequency 谐振频率温度系数
temperature coefficient of resonant frequency 共振频率温度系数
By using a numerical method, the effect of changing in magnetic field upon vibration frequency and coefficient of reduction is presented.
最后给出数值结果，表明磁场的变化对振动频率及衰减系数的影响。
The result shows that average absorption coefficient and noise reduction coefficient separately equal to0.58and0.60 and fine property of sound absorption at middle-low frequency.
结果表明材料的平均吸声系数和降噪系数分别达0。58和0。60，且材料的中低频吸声性能优良。
A modifying coefficient of load frequency is used to describe the effect of load frequency on fatigue behavior in ultrasonic fatigue testing.
采用一个超声加载频率修正系数对超声疲劳性能试验中载荷频率对疲劳性能的影响进行修正。
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