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- frequence changes ratio 频率变化比
- Meanwhile,the "frequency change ratio" is applied to the PVB damage detection of laminated glass plate and the analysis process is established by using the finite element equations gained. 同时本文将“频率变化比”方法应用到夹层玻璃板PVB损伤检测中,用推导出的有限元公式建立了频率变化比法的分析过程。
- A concentration of receptor cells in their inner ear makes bats extremely sensitive to frequency changes. 一些蝙蝠内耳里的受体细胞的集中使它们对频率的变化极其敏感。
- A measure velocity method is given by michelson intefese to deal with Lasen Doppler frequence change. 通过采用迈克尔逊干涉处理激光多普勒频移信息的方法，实践测量物体运动速度。
- Incremental analysis is employed to infer the analytical model of the change ratio of unitcost. 用增量分析方法推导出单位产品成本变动率分析模型。
- Such a collective mode is not excited by a projectile with the same mass to change ratio as the target. 这种模式不能从与靶核有相同荷质比的入射核子激发出的。
- The results show that the Heihe region Cercospora Race greater the number and frequency changes. 结果表明黑河地区灰斑病生理小种数目和频率有较大变化。
- Changing the output speed of step less variator will make the differential gear train realize an output with a comparatively large step-less speed change ratio. 改变无级变速器的输出转速，即可使差动轮系输出较大的无级变速比。
- Characteristic parameter of dynamic resistance for splash in resistance spot welding low carbon steel to some extent is reflected by the sudden change of DRC and its change ratio. 提取的喷溅动态特征参量为动态电阻曲线及其变化率曲线的不同程度突变。
- The sampling frequency of PMU is constant because of the synchronization of its phasor measuring.As system frequency changes, the error of measuring phasor is avoidless. 由于相量测量装置(PMU)对相量测量同步性的要求，其采样频率应保持为常数，当系统频率变化时，相量的计算会出现误差。
- The work principles, main structure, technical parameters, main features, application cases, market prospect, of casting pump SYB - 100/100 with double hydraulic speed change ratio were introduced. 介绍了SYB-100/100型双液变比注浆泵的工作原理、主要结构、技术参数、主要特点、使用情况及其广泛的市场前景。
- The accident frequency changes at different time and areas in highways, and the high risk group is young and adult males in happening probability, but the older injured has a higher mortality. 高速公路交通事故有时间、地区分布的不均衡性，男性青壮年为发生概率的高危人群，但高龄受累人群的死亡率更高
- The carrier-tracking algorithm is based on AFC. With the switching between wide and narrow FLL , the carrier-tracking loop can achieves good performance whether frequency changes in high dynamic range or it is in stable state. 载波跟踪采用AFC(自动频率控制)跟踪频率变化,宽窄两通道AFC切换方式既可以适应动态条件下的载波跟踪,又能保证稳态条件下对载波频率的精确估计。
- The nobility usually resist social changes. 贵族通常反对社会变革。
- They want to see substantial changes. 他们想看到实质性的变化。
- This city underwent great changes. 这座城市经历了巨大的变化。
- She varied her dress as fashion changes. 她的衣着随着潮流而变化。
- We also supply series YVF2 frequency changing motor and series YD changing motor. YVF2系列的变频调速电机和YD变极变速电机，上述各系列电机本厂均可提供。
- He rings the changes on his old story. 他总是以不同的方式讲他的老故事。
- She undertook responsibility for the changes. 她承担了这些变革的责任。
