频率下降 meaning in English
decrease of frequency
drop of frequency
frequency drop
Examples
- Measurement of quartz crystal unit parameters - measurement of activity and frequency dips of quartz crystal units
石英晶体元件参数的测量.石英晶体元件的活性和频率下降的测量 - Measurement of quartz crystal unit parameters - part 7 : measurement of activity and frequency dips of quartz crystal units
石英晶体元件参数的测量.第7部分:石英晶体元件的放射性和频率下降测量 - A new method based on the frequency decrease rate for fast identification of site liquefaction from surface acceleration records was presented
摘要提出了一个以频率下降率为基本指标的依据强震记录快速识别场地液化的新方法。 - Testing results indicated that in the state of serviceability , the members ’ natural frequencies and dynamic - stiffness are descent because of damage . and the degree of damage can be detected by the descent degree of natural frequencies and dynamic - stiffness
试验结果表明,梁损伤后固有频率和刚度均有所下降,建议可对不同荷载下构件频率下降程度进行分析与总结,进而由固有频率下降程度来诊断结构的损伤程度。