relative frequency
英 [ˈrelətɪv ˈfriːkwənsi]
美 [ˈrelətɪv ˈfriːkwənsi]
网络 频率; 相对频数; 相对频率; 相對次數; 相对次数
英英释义
noun
- the ratio of the number of observations in a statistical category to the total number of observations
双语例句
- A analytic formula about the measuring value of active power and power factor of periodic signal as a function of the relative frequency deviation and the sampling initial phase ( or time) is derived;
推导出任意电压、电流信号的有功功率、功率因数随相对频偏及采样相位变化的一般公式； - Two classification systems of depositional sequence hierarchies are respectively presented, which are based on the relative frequency and relative magnitude of base level changes.
沉积层序的级别有2种划分系统，分别以基准面变化的相对频率和相对振幅为基础。 - According to the school level, we divided them into early, middle and senior three stages, respectively by applying the method of correctly using relative frequency statistics from each stage of the acquisition sequence.
按照学时等级分为初、中、高级三个阶段，运用正确使用相对频率法分别统计出每个阶段的习得顺序。 - The wave relative frequency in the coordinate system moving with current and the angle between the direction of wave propagation and that of current are computed based on the wave dispersion relation.
利用波浪弥散关系的迭代计算求得波向与流向的夹角以及波浪的相对频率。 - The high-frequency codons were selected by high-frequency codon analysis according to relative frequency of synonymous codon ( RFSC) which is calculated by RFCS program written by ourselves.
利用自编的RFCS程序计算同义密码子相对使用频率（RFSC），并根据RFSC值筛选出高频密码子。 - The precision of measurement can be improved by optimizing the path of steam flowing through the cavity, selecting working pattern with high quality factor, advancing the measurement precision of the relative frequency deflection and adopting material with lower thermal expansion coefficient and special resonant cavity configuration.
实际应用中，可以通过选择蒸汽在谐振器中的通流位置，选择高品质因数工作模式，提高系统对相对频偏的测量精度，以及采用低热胀材料和特殊谐振器端头结构的办法来提高测量精度。 - Negative politeness strategy and bald on record politeness strategy are less frequently used ( with the relative frequency of 22 and 18.49 respectively).
消极礼貌策略和公开实施面子威胁行为策略的使用率次之（其相对频率分别为22和18.49）； - Both theory and numerical computation show that the error of active power and power factor measurement is proportional to the relative frequency deviation when the conventional algorithm is used, while it is proportional to square of the relative frequency deviation when the proposed weighted algorithm is used.
传统算法的有功功率、功率因数的测量误差与相对频偏成正比；而用该文所提出的三角窗加权算法，有功功率、功率因数的测量误差与相对频偏的平方成正比。 - Objective To evaluate the practical application of the WHO classification of lymphoid neoplasms, and to investigate the relative frequency and geographic distribution of the subtypes of lymphoma.
目的研究世界卫生组织（WHO）淋巴组织肿瘤新分类法的适用性，观察淋巴瘤不同类型的发生率以及淋巴瘤类型分布的地域人群特点。 - A weighted algorithm of Triangular window and wavelet transform are using to measure active power and power factor of three-phase asynchronous motor in the non-sinusoidal waveform. The error of active power and power factor is proportional to square of relative frequency deviation.
采用三角窗加权算法并结合小波变换计算非正弦状态下三相异步电机有功功率、功率因数，其测量误差与相对频偏的平方成正比。