英语释义

• the quality of recurring at intervals

片语

periodicity factor周期因子

conditional periodicity有条件的周期性

periodicity interval周期性区间

environmental periodicity环境周期性

growth periodicity发育周期性

nuclear periodicity核周期性

trading periodicity销售周期

vibration frequency频率；振动频率；波动频率

regular periodicity[统计]

nocturnal periodicity夜现周期性

cyclicity周期性；循环性

英汉例句

• the periodicity of major earthquakes in japan is less than 10 years.

  日本大地震的平均周期不足十年。

• with a view to the periodicity of human gait, experimental data maybe expressed in the form of the fourier series.

  考虑到人体步态的周期性，步态实验的数据可以表示成富里哀级数的形式。

• economic growth leads to income increase and poverty rate reduction in rural area, and its contribution has witnessed periodicity in line with the economic fluctuation.

  经济增长使农村居民收入增加，贫困率下降，其贡献随经济波动出现周期性；

• as a「product」 of travel developing, theme park has periodicity of 「product」, so not only will we considerate the present demand, but also the long-term demand.

  主题公园作为一项旅游开发「产品」，具有产品的周期性，不仅要考虑当前的需要，还要考虑长期的社会需要。

• on the basis of the periodicity of the designed orbit of gps satellite, trigonometric function polynomial interpolation method is used to interpolate the igs precise ephemeris.

  考虑到gps卫星的设计轨道具有明显的周期性，用三角函数多项式方法进行精密星历插值，并与经典的拉格朗日插值方法进行了比较。

• why do we have this periodicity when you take history courses?

  为什么我们上历史课的时候会有一个一个时期

• further, the periodicity of the filtering system model is analyzed and the feasibility to realize periodic filtering gain is discussed.

  并进一步分析了滤波系统模型的周期性，探讨了实现周期滤波增益的可行性。

• however, the investigations are usually carried out in the context of periodicity detection and deterministic signal.

  这些研究通常是在周期性的探测和决定性的信号环境里进行的。

• for wiping of periodicity moving in background, it divides sequence images into two parts, and calculates cumulating images of difference images for each part.

  将图像序列分为两个阶段，分别求取差分图像的累积图像，以便消除背景中周期性的运动；

• it is shown that the phase noise spectrum density shift periodicity with the length of external cavity and the peak value of power spectrum density varies considerably with the feedback coupling rate.

  这表明相位噪声功率谱密度随外腔长度而周期性地漂移，且功率谱密度的峰值随外部反馈耦合率而发生很大的变化。

• for a thin interbed of sand and shale, the periodicity of its amplitude or phase spectrum can be unveiled with fourier analysis in a narrow window.

  对砂泥巖薄互层段，用短时窗对地震道做傅里叶分析，可以显示薄层振幅谱和相位谱的周期性。

• since traffic volume has the property of periodicity and randomicity, a new forecasting method based on nearest neighbor algorithm is proposed.

  针对交通流量变化存在周期性和随机性的特点，提出一种基于最近邻法的预测方法。

• in some cell lines there is a similar periodicity in changes of cell surface antigenicity or response to wheat germ agglutinin.

  在某些细胞系中，细胞表面抗原性或对表胚凝集素的反应方面有相近似的周期性变化。

• objective:according to natural phenomena and references, to analyses factors which affect microfilarial periodicity by means of logical thought in mathematics.

  根据自然现象和文献资料，借用数学逻辑思维的方法分析刺激微丝蚴周期性的因素。

• according to the spectrum analysis, the sediment load also fluctuated at the periodicity of 3a and 10a.

  根据功率谱分析，入海泥沙还存在着3年和10年左右的周期性波动。

• one timing system comes from the evidence of our senses and stomachs, and the periodicity we experience when living in a particular time zone.

  一个定时系统来自于我们的感官和胃的证明，就是当我们生活在一个特定的时区所经历的周期性。

• slubby yarn is divided into periodicity slubby yarn and random slubby yarn.

  将竹节纱分为周期性竹节纱和随机竹节纱。

• volatility is the necessary phenomenon of stock market, and takes on deflection, randomicity, jump, periodicity and psychology, and abnormal volatility is dangerous.

  波动是股市的必然现象，具有偏向性、随机性、跳跃性、周期性以及心理性等特征，股市异常波动危害巨大。

• and we talked about periodicity and properties, so let's go and take a look at what we have and see if we can reconcile this.

  现在我们讲一下周期性，我们先看一下我们已经掌握的知识，看看能不能和我们要讲的达成一致。

• the quasi-synchronous sampling arithmetic is applied to solve the problem of electric energy measuring on periodicity aberrance wave.

  在软件上应用準同步算法，较好地解决了周期性畸变波形下电能的準确计量问题。

• the full width of transmission function at half maximum is broadened and the visibility is reduced because of the instrumental linewidth and the periodicity of transmission function.

  由于仪器函数的自身线宽及其周期性的加宽作用结果，导致透射函数的半峰值线宽受到加宽，可见度下降。