1) fundamental frequency
基本频率
1.
Based on hundreds of calculation examples,the practical formula of fundamental frequency for single layer elliptical parabolic latticed shell was proposed according to least squares method.
系统分析了矢跨比、跨度、支座刚度和屋面荷载等因素对单层椭圆抛物面网壳自振特性的影响,并在对大量该网壳模型自振特性分析基础上,利用多元最小二乘法拟合出了单层椭圆抛物面网壳基本频率的计算公式,同时对该公式的精确度进行了验证。
2) basic frequency
基本频率,主频率
3) fundamental frequency
基本频率,基频,基准频率
4) base frequency
基本频率;固有频率
5) fundamental resonance frequency
基本共振频率
6) fundamental period (frequency)
基本周期(频率)
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