演化时间

  • 网络evolution time
演化时间演化时间
  1. 最后本文进一步讨论了Duffing振子检测系统参数(离散化步长h、演化时间T、阻尼比k和非线性恢复力项)对系统响应特性的影响。

    Finally , the effects of the Duffing oscillator detection system parameters ( discrete step h , the evolution time T , damping ratio k and the non-linear resilience ) on the response characteristics of the system is discussed .

  2. 研究结果表明,通常斜坡演化时间序列所呈现的波动性不是完全随机的,波动数据间存在着复杂的非线性相关关系。

    The results showed that the wave characteristics in the temporal series of the developing process are not stochastic wholly .

  3. 本文试图从两种方法自身的特点来探讨这种分支演化时间的重大差别。

    In the paper an attempt is made to interpret these major discrepancies by analysing the characteristics of the two methods .

  4. 不过,要想确定确切的人类演化时间和哪些南方古猿物种参与了演化,仍是极具挑战性的课题。

    But pinning down when precisely this took place , and which of the various australopithecine species were involved , has been challenging .

  5. 对前寒武纪相当繁荣的微生物的起源时间和后生动物各门类的分支演化时间的研究,一直存在着很大的争议。

    There have long been disputes about the time of origin of microbes that were quite prosperous in the Precambrian and the divergence time of metazoans .

  6. 实验表明与离散Hopfield-型网络的算法相比,文中提出的算法既有较高的收敛率又缩短了演化时间。

    Finally , the experimental results demonstrate that the given algorithm improves the convergence rate and decreases the updating time when compared with Hopfield-type neural network without delay .

  7. 山门银矿区出露的中生代侵入岩是一套由基性岩、中性岩、酸性岩组成的复式侵入体。具有规模大、侵入期次多、演化时间长的特点。

    The outcropped Mesozoic intrusive rock is a composite intrusion which consists of basic , intermediate and acid rocks , characterized by the large scale , multiphase intrusion , and with long evolution .

  8. 在相同的演化时间与创新成本条件下,在前期采用比较大的自主创新率,而后逐渐降低自主创新力度,有利于提高最终所采用的商务模式的适应度值。

    At the same evolution period and innovation costs , using relatively large rate of independent innovation at early stage and gradually reducing the intensity of independent innovation will improve the business model fitness eventually .

  9. 本文对现代物理学中提出的内部时间进行了哲学分析,指出由内部时间表征的演化时间既是物质存在的基本形式又是物质演化的内在尺度。

    The internal time in modern physics is analyzed philosophically in the paper and it is pointed out that the evolving time represented by internal time , is both a form of matter existence and the internal measure of matter evolution .

  10. 使一对纠缠的二能级原子之一与单模真空腔场发生共振相互作用,通过选择不同的演化时间,对这个三体系统的其中之一做选择性测量,可调节另外两体的纠缠状态。

    When one of the two entangled two-level atoms interacts with a single-mode vacuum cavity resonantly , an arbitrary state measurement is made on one part of the system to control the entanglement state of the other two parts through choosing evolution times .

  11. 探讨多变量相空间重构理论,基于相点演化的时间轨道不可逆与可逆特性提出三维变形时序MLE双向搜索修正方法。

    Then , the modified method of bi-direction search is developed for calculating the MLE from3D deformation time series based on the reversible and irreversible properties of time trajectories .

  12. 进而分析了关于复杂性的各种科学理论,在此基础上对演化的时间作了分析。

    On the basis of above analysing the evolutionary time was analyzed .

  13. 我国股市羊群行为的演化与时间尺度效应:1997-2008

    Research on Evolution and Time-Scale Effect of Herd Behavior of Chinese Stock Market : 1997-2008

  14. 土地生态系统演化的时间观

    Study on Evolution of Land Eco-system

  15. 微山湖区的气候特征构造演化的时间性问题

    Time Characteristics of Tectonic Evolution

  16. 演化的时间观

    The Evolving Outlook of Time

  17. 讨论了巨大体系极限和关联函数演化的时间尺度。

    The limit of a large system and the time scale of the correlative function evolution are discussed .

  18. 合作-竞争系统的演化持续时间越长,点权分布越不均匀。

    The cooperation-competition systems with longer evolution durations tend to have more heterogeneous distributions of the node weight .

  19. 基于趋势分析,研究了确定演化算法时间复杂性的一些有用的趋势条件。

    Based on the drift analysis , some useful drift conditions to determine the time complexity of evolutionary algorithms are studied .

  20. 双稳系统演化的时间尺度与随机共振的加强二维映射神经元模型中频率依赖的随机共振

    Time scales of the evolution in bistable system and the reinforcement of stochastic resonance Frequency-dependent stochastic resonance in a two-dimensional neural map

  21. 这样的实证结果说明合作-竞争系统中系统的演化持续时间对点权分布的不均性起着主导性作用。

    Such an empirical observation strongly suggests that the evolution durations of the cooperation-competition networks play dominant role on the distribution of the node weight .

  22. 动力学演化的时间取为银河系球状星团的平均年龄12Gyr。

    The evolution time in our calculation is chosen to be 12 Gyr , which is the mean value of globular cluster ages in the Galaxy .

  23. 这种构造地貌类型记录了断层演化的时间和空间关系,即从属于递进的沉降和加宽直至最终发育为盆地。

    This pattern of morphotectonic structures records the space and time evolution of faults , which are subject to progressive subsidence and broadening to finally develop into basins .

  24. 政府不恰当的规制一方面破坏了分离均衡的甄别机制,导致国有经济低效率与社会剩余减少:另一方面又引起其演化的时间路径出现非正常振荡,迫使监管收敛于最大成本。

    The government 's unfit regulations destroyed the sorting mechanism of the equilibrium , resulted in the low efficiency and declining social surplus , likewise caused the abnormal variation of the evolvement path and the maximum supervision cost .

  25. 认同包含物质文化、制度文化、精神文化系统的认同,其产生和支配车鼓演化的时间依次从短到长,支配的范围依次从局部到整体。

    The approval contains identity of material culture , system culture and spiritual cultural system , its emergence and the domination time of cart-drum evolution is from short to long , the domination scope is from local to whole .

  26. 从中古以前的儿童混同成人,到近代童年概念的确立,及至当代儿童与成人的界限再度模糊,教育的历史使命也在不断发生着演化。时间(英文)

    The historical mission of education has been changing from time immemorial when child was confused with adult , to the modern society in which the concept of childhood appeared , to the present age when childhood fades away .

  27. 原生硫化物矿体的表生演化在时间上表现为由硫化物经过硫酸盐阶段,铁的氢氧化物阶段和次生还原富集阶段、铁的氧化物阶段及蒸发成因的碳酸盐阶段等过程;

    In time , the supergene geochemical evolution of sulphide ore body goes through the sulphate stage , iron hydroxide stage and secondary sulphide stage , iron oxide stage and carbonate stage , and forms obvious vertical zones in space .

  28. 对于空间演化和时间推进的数学方程,计算流体与粗糙元之间作用采用的内嵌边界方法的原理和使用,入口和出口边界条件的设置等进行了简要的介绍说明。

    The mathematical equation of spatial evolution and time advance , the immersed boundary method that are used to calculate the force between the fluid and the roughness element , and the set of entrance and exit boundary conditions are briefly introduced .

  29. 分析了三维可视化及仿真动画技术在地质景观成因动态模拟与仿真过程中的应用价值,重点论述了如何对地质景观形成演化在时间尺度上进行模拟和仿真表达。

    This paper has analyzed the application of three-dimensional visualized and animated picture simulation technology to the dynamic simulation of the formation of geological scenery , with the emphasis placed on the simulation of the formation and evolution of geological scenery at the temporal scale .

  30. 高阶常微分方程的演化建模用于时间序列的分析

    The evolutionary modeling of higher order ordinary differential equations for time series analysis