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optimal frequency ratio 最优频率比
This paper delves into the method of finding the best damp ratio and intrinsic frequency ratio of CVIS. 得出系统求解方程及寻找最佳阻尼比和固有频率比的方法。
Other unanswered questions about musculoskeletal injury include the value of ice, compression, and elevation, as well as the optimal frequency and duration of these treatments. 其他有关肌肉骨骼损伤尚未解答的问题包括：冰敷、加压、抬高的价值及这些治疗方法的最佳频率和持续时间。
In chapter 3,the relationship of the parameters such as frequency ratio, mass ratio, damper ratio of mega_frame and substructure, and mean-square of random response is given . 3．在第3章，结合频域分析法和随机分析方法对单层巨型钢框架悬挂结构体系进行了主子结构间质量比、频率比、阻尼比等参数的优化分析研究。
The bouncing overall power is nearly maximized at the optimum frequency ratio of the minimum pitching overall power.The higher rear-frequency and The higher rear-damping ratio reduce pitching motion. 跳动总功率在最小俯仰总功率的最佳频率比时，几乎达到最大值，较高的后频和较高的阻尼比减少了俯仰运动。
With the increases of the inclined angle and the mass ratio, the resonance amplitude will decrease when the frequency ratio is 1, but it will increase obviously when the frequency ratio is 1/2 and 2. 随着拉素倾角和桥面与拉索质量比的增大，桥面与拉索的频率比为1时，拉索的共振振幅减小，而桥面与拉索的频率比为1/2和2时，共振振幅将明显增大。
effective value - revolving frequency ratio 有效值-转频比
Automatic Frequency Ratio Control 自动频率比控制
Maximal net thrust and optimal frequency of pulse detonation engine 脉冲爆震发动机最大净推力和最佳工作频率
Keywords CREM process;semi-continuous casting;aluminum alloy;optimal frequency; CREM法;半连续铸造;铝合金;最佳频率;
He varied the transmission frequency. 他变换了无线电传送的频率。
A ratio of 4 or less is good with 3 being optimal. 4或更低的比率比较好，而3则是理想比率。
A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
Variation of frequency ratio of small earthquakes within Simao-Mengla zone 勐腊带小震频度比时间进程图
The ergonomics of the new office were felt to be optimal. 新办公室工效设计因素感觉十分理想。
Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
The optimal weight ratio of cetyl alcohol to PN was 1 to 20. 十六醇与三七粉的质量比为1:20时为最优制粒比例；
Keywords vibration oil recovery;vibration frequency;optimal frequency;attenuation coefficient;effective operation distance;crude oil deaeration; 关键词振动采油;振动频率;最优频率;衰减系数;有效作用距离;原油脱气;