periodicity

简明释义

英[ˌpɪəriəˈdɪsəti]美[ˌpɪrɪəˈdɪsəti]

n. [数] 周期性；频率；定期性

复 数 p e r i o d i c i t i e s

英英释义

单词用法

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例句

1.The temporal periodic pulse can stabilize the system to spatial fixed point with temporal periodicity and spatial quasiperiodicity.

时间周期脉冲方法则能实现系统时间周期空间不动点和空间准周期的控制。

2.Directional cross-country running moves technology is complicated more diversifiedly, a certain one is not the periodicity.

定向越野跑运动技术更加多样化复杂化，并具有一定的非周期性。

3.Setting this value closer to 1 favors the discovery of many near-periodic patterns and the automatic generation of periodicity hints.

如果将此值设置为更接近于1的数，则允许查找许多接近周期的模式并允许自动生成周期提示。

4.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。

5.According to the periodicity range ambiguity of symmetrical pulses in FMPCW, the processing method of sliding time window is used.

对于FMPCW信号由于均匀脉冲产生的周期性距离模糊的问题，采取时间波门的处理方法。

6.The variations of velocity difference have obvious periodicity, which coincides with the satellite orbit period.

速度差各分量的变化具有很明显的周期性且与卫星轨道的运行周期相吻合。

7.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。

8.We observed a clear periodicity in the number of whales stranded each year that coincides with a major climatic cycle.

我们观察到每年搁浅的鲸鱼数量有明显的周期性，这与一个主要的气候周期相吻合。

9.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。

10.In economics, the periodicity 周期性 of market cycles can help investors make informed decisions.

在经济学中，市场周期的周期性可以帮助投资者做出明智的决策。

11.Astronomers study the periodicity 周期性 of comet appearances to predict when they will return.

天文学家研究彗星出现的周期性以预测它们何时会再次出现。

12.The periodicity 周期性 of heartbeats can indicate overall health.

心跳的周期性可以指示整体健康状况。

13.The study of the moon's phases shows a clear periodicity 周期性 that influences ocean tides.

对月相的研究显示出明显的周期性，这影响着海洋潮汐。

14.The periodicity 周期性 of seasonal changes affects agricultural planning.

季节变化的周期性影响农业规划。

作文

Periodicity is a concept that can be found in various fields such as science, mathematics, and even in our daily lives. It refers to the quality or state of being periodic, which means occurring at regular intervals. Understanding the idea of periodicity (周期性) can help us make sense of patterns and behaviors that repeat over time.In the realm of science, periodicity (周期性) is crucial for understanding phenomena such as the behavior of elements in the periodic table. The periodic table itself is organized based on the periodicity (周期性) of element properties, which repeat at regular intervals as you move across the table. For example, the elements in a given group share similar chemical properties, demonstrating how periodicity (周期性) plays a vital role in chemistry. This organization not only aids in predicting the properties of new elements but also helps scientists understand the underlying principles that govern chemical reactions.Mathematics also employs the concept of periodicity (周期性). Functions such as sine and cosine are periodic in nature, meaning they repeat their values in regular intervals. This characteristic is essential in various applications, including engineering, physics, and signal processing. By studying these periodic functions, mathematicians and engineers can analyze waves, oscillations, and other phenomena that exhibit periodicity (周期性). For instance, when designing electronic circuits, understanding the periodicity (周期性) of signals can lead to more efficient and effective designs.Furthermore, periodicity (周期性) can be observed in everyday life. Our daily routines often follow a periodic pattern: we wake up, go to work or school, come home, and sleep, repeating this cycle day after day. Similarly, seasons change in a periodic manner, affecting everything from agriculture to fashion. Recognizing these patterns can help us plan our activities and make better decisions. For example, farmers rely on the periodicity (周期性) of seasons to determine when to plant and harvest their crops, ensuring a successful yield.In economics, periodicity (周期性) can be seen in business cycles, which consist of periods of expansion and contraction. Understanding these cycles allows businesses and policymakers to make informed decisions about investments, resource allocation, and economic strategies. By analyzing historical data, economists can identify trends and predict future economic conditions, ultimately leading to more stable financial environments.In conclusion, periodicity (周期性) is a multifaceted concept that permeates various aspects of our lives. From the natural sciences to mathematics, and even in our daily routines, recognizing and understanding periodicity (周期性) enables us to decipher patterns and make informed decisions. Whether it is predicting chemical reactions, analyzing mathematical functions, or planning our daily activities, the significance of periodicity (周期性) cannot be overstated. By embracing this concept, we can enhance our understanding of the world around us and improve our ability to navigate through it effectively.

周期性是一个可以在科学、数学甚至我们日常生活中找到的概念。它指的是以规律间隔发生的质量或状态。理解周期性（周期性）的概念可以帮助我们理解重复出现的模式和行为。在科学领域，周期性（周期性）对理解元素在周期表中的行为至关重要。周期表本身是基于元素属性的周期性（周期性）组织的，当你横跨表格时，这些属性以规律间隔重复。例如，给定组中的元素具有相似的化学性质，展示了周期性（周期性）在化学中的重要角色。这种组织不仅有助于预测新元素的性质，还帮助科学家理解支配化学反应的基本原理。数学也使用周期性（周期性）这个概念。正弦和余弦等函数在本质上是周期性的，这意味着它们在规律间隔内重复其值。这一特征在工程、物理和信号处理等各种应用中至关重要。通过研究这些周期函数，数学家和工程师可以分析波动、振荡和其他表现出周期性（周期性）的现象。例如，在设计电子电路时，理解信号的周期性（周期性）可以导致更高效和有效的设计。此外，周期性（周期性）可以在日常生活中观察到。我们的日常例行活动通常遵循周期性模式：我们醒来，去工作或上学，回家，然后睡觉，日复一日地重复这一循环。类似地，季节以周期性方式变化，影响从农业到时尚的一切。识别这些模式可以帮助我们规划活动并做出更好的决策。例如，农民依靠季节的周期性（周期性）来确定何时种植和收获作物，以确保成功的产量。在经济学中，周期性（周期性）可以在商业周期中看到，这些周期由扩张和收缩的时期组成。理解这些周期使企业和政策制定者能够就投资、资源分配和经济战略做出明智的决策。通过分析历史数据，经济学家可以识别趋势并预测未来的经济状况，最终导致更稳定的金融环境。总之，周期性（周期性）是一个多方面的概念，渗透到我们生活的各个方面。从自然科学到数学，甚至在我们的日常生活中，认识和理解周期性（周期性）使我们能够解读模式并做出明智的决策。无论是预测化学反应、分析数学函数，还是规划我们的日常活动，周期性（周期性）的重要性都不容小觑。通过接受这一概念，我们可以增强对周围世界的理解，并提高有效导航的能力。