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变频法
1、seasonal variation───n.季节性变动,季节性波动;季节性波动,季节性变动
2、variation margin───价格变动保证金[押金];价格变动押金;盈亏保证金
3、variation───n.变化,变更,变动;[生物]变异,变种;变奏曲
4、appraiser variation───评价人变差
5、variation of parameters method───变参数法
6、method───n.方法;条理;类函数
7、frequency───n.频率;频繁
8、variation ratio───异众比率;变异比率;变速比,变速范围
9、frequency generator───[计]频率发生器
1、method for damage positioning is developed on the basis of testing the variation ratio of squared frequency.───基于频率变化平方比的损伤定位方法。
2、Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.───联合时频分布方法把整体频谱推广到局部频率,根据频率随着时间的变化情况,对信号进行有效的分析。
3、Compared with other frequency measurements, the method based on the ASIC makes use of simple periphery circuit around MPU and can self-adapts the variation of input signal frequency.───基于ASIC的方法与其他频率测量方法相比,MPU外围电路简单,能自适应输入信号频率的变化。