1) free vibration frequency reducing factor
自振频率降低系数
2) reducing work frequency
降低频率
1.
Based on an S injection method of reducing work frequency,a novel signal generator is developed.
介绍一种降低频率的S注入法信号发生装置。
5) system free vibration frequency
系统自振频率
6) natural frequency
自振频率
1.
Calculating method of natural frequency of pile in layered soils;
层状地基中单桩自振频率的计算方法
2.
Simplified calculating method for natural frequency of aqueduct structures with framed bent support;
排架支承式渡槽自振频率的简化计算方法
3.
Calculation of the natural frequency of main frame in radial gate;
弧门主框架自振频率计算
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条