大家都搜：
[数]频率比
频数比
1、frequency range───频带; 频段；[电子][通信]频率范围
2、cumulative frequency───[统计]累积频率，[电子]累积频数
3、frequency generator───[计]频率发生器
4、frequency───n.频率；频繁
5、variation ratio───异众比率；变异比率；变速比，变速范围
6、ratio───n.比率，比例
7、frequency polygon───[统计]频数多边形
8、frequency equation───频率方程
9、frequency modulation───调频
1、The simulation results show the feasibility of constant voltage frequency ratio soft-start control method.───FangZhen结果验证了转速开环控制同步电动机软起动的可行性。
2、the peak of vibration response of vulnerable parts can decreased at low frequency ratio by increasing mass ratio.───低频率比条件下，增大质量比可抑制易损件加速度及位移响应幅值。
3、The nonlinear stiffness of the insulating system and the best frequency ratio are put forth.───采用非线性刚度为主的隔振XiTong，确定了最佳频率比。
4、spatial frequency ratio which could reflect regional similarity among images was defined.───了能够反映图像之间区域相似程度的空间频率比概念。
5、The default is equal to the frequency ratio, which means that higher frequency noises move faster in direct proportion to the frequency.───其默认值等于频率比，这意味着有较高频率的噪音运动较快，其速度与频率成正比。
6、optimum parameters include the optimum frequency spacing, average damping ratio, and tuning frequency ratio.───优参数包括最优频率间隔、最优平均阻尼比和最优调谐频率比。
7、How does this frequency ratio produce isolation?───频率比如何产生衰减？
8、This paper delves into the method of finding the best damp ratio and intrinsic frequency ratio of CVIS.───得出XiTong求解方程及寻找最佳阻尼比和固有频率比的方法。
9、In 1960, American families ate out at restaurants much more often than Japanese and British families and the average frequency ratio was 1.───1960年，美国家庭每月在饭店就餐的平均次数要远远高于日本和英国家庭，三者的比例依次为每月次：1。