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third order中文是什么意思

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  • However , it is found that the second or the third order mode shape rather than the first order , are responsible for the seismic responses on free surface under many case in this paper
    然而采用等效非线性化直接分析士层地震反应的实例计算结果表明在很多情况下,对场地地震反应起主要作用的不是第一振型而是第二、三阶振型。
  • Phalocyanines are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlinearity , varying upon central metal atom substitution and other factors
    金属酞菁配合物是一种具有平面共轭电子结构的大环配合物。研究表明,酞菁配合物在可见及近红外波段具有良好的非线性光限幅性能。
  • The theoretical analysis and simulation show that the ssnr and the sksnr are equal to or greater than the original signal - to - noise ratio ( snr ) , and that employing third order cumulant slices can effectively extract the mot - radiated quadratic phase dynamic coupling signals from asymmetrical distribution noise
    理论分析与仿真表明:切片信噪比、歪度信噪比总是大于相关信噪比;用该算法十分有效地实现了二次相位耦合信号与非对称分布色噪声的分离。
  • Construction theorems of second and third order ordinary differential equations which admit higher order integrals are formulated by use of the method of determining higher order integral factors and higher order integrals for ordinary differential equations , and by use of the characteristic set method as well
    本文利用确定高次积分因子的引理与确定对应的高次积分的公式以及微分特征列集(吴)方法,给出了拥有高次积分的二阶、三阶常微分方程结构定理。
  • In this paper , the stability of the trivial solution is studied for a class of third order nonlinear non - autonomous ordinary differential equations by means of differential matrix , and the sufficient conditions of the global asymptotic stability of the trivial solution are obtained for a class of third order nonlinear autonomous system
    摘要用微分矩法研究了一类三阶非线性常微分方程零解的稳定性,并获得了一类三阶非线性驻定系统零解全局渐近稳定的充分条件。
  • Quark medium is regarded as non - harmonic oscillator model , discussing its response to su ( 2 ) non - abelia field , the perturlation expansion method is used to find the first , second and third order approximate solutions to the response equation , and some nonlinear features of the response are preliminarily displayed
    将夸克介质视为非简谐振子模型,讨论了它对su ( 2 )非阿贝尔场的响应,采用微扰迭代法解出了方程的一、二、三级近似解,初步得出了这种响应的一些非线性特征
  • In the evening between giving two ordersone for hastening the arrival of the counterfeit rouble notes that had been prepared for circulation in russia , and the other for shooting a saxon who had been caught with a letter containing a report on the disposition of the french armynapoleon gave a third order for presenting the colonel , who had quite unnecessarily flung himself in the river , the order of the lgion dhonneur , of which he was himself the head . quos vult perdere , dementat
    傍晚,拿破仑发布了两道命令:一是命令尽快把已准备好的伪造的俄罗斯纸币送来以便输入俄罗斯,一是命令枪毙一个撒克逊人,因为在截获的他的一封信里有关于向法国军队发布的命令的情报,而后又发布了第三道命令把那个毫不必要游过河的波兰上校编入拿破仑自任团长的荣誉团lgion dhonneur 。
  • In this paper , we convert the complex third order eigenvalue problems into the real third order eigenvalue problems . then , based on the euler - lagrange equation and legendre transformation , a reasonable jacobi - ostrogredsky coordinate system have been found , then using nonlinear method , the lax pairs of the real bargrnann and neumann system are nonlinearized , so as to be a new finite - dimensional integrable hamilton system in the liouville sense is generated . moreover , the involutive representations of the solution for the evolution equations are obtained
    本文将复的三阶特征值问题转化为实的三阶特征值问题,利用euler - lagrange方程和legendre变换,找到一组合理的实的jacobi - ostrogredsky坐标系,从而找到与之相关的实化系统,再利用曹策问教授的非线性化方法,分别将三阶特征值问题及相应的lax对进行非线性化,从而得到bargmann势和neumann势约束系统,并证明它们是liouville意义下的完全可积系统,进而给出了bargmann系统和neumann系统的对合解。
  • Using the variational method , analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced . the expression of initial soliton peak power is given . by employing the obtained formulas , the soliton evolution semi - analytically in various dispersion maps can be investigated . effects of the third order dispersion are also studied in this paper . the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape
    利用变分方法,推导出了在强色散管理的密集周期光纤中脉冲稳态传输的解析条件,并给出了初始脉冲峰值功率的表达式.运用这些公式,对各种色散管理系统中孤子的演化进行了半解析的考察.三阶色散也被考虑在内.结果表明:不完善的色散斜率补偿将导致脉冲中心位置的偏移甚至严重的孤子形状劣化
  • Metallophalocyanines ( mpcs ) are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlmearity , varying upon central metal atom substitution and other factors . other interesting properties of this molecule and many of its derivative products are their versatility , architectural flexibility and high environmental stability , which are very important requirements to implement photo - electronic applications
    因其骨架结构特征和可通过选择中心离子、轴向配体和在酞菁环上引入功能性取代基等方法进行分子筛选与组装得到具有特殊的物理化学性质和光、电、催化等功能的材料,而引起化学家和材料学家的浓厚兴趣。
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  • 百科解释
In relation to religious orders, a third order is an association of persons who live according to the ideals and spirit of a Catholic, Anglican, or Lutheran religious order, but do not belong to its "first order" (generally, in the Catholic Church, Franciscans, Dominicans or Carmelite friars), or its "second order" (contemplative nuns associated with the "first order"). Members of third orders, known as tertiaries (Latin tertiarii, from tertius, third), are generally laypersons, i.
详细百科解释
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Last modified time:Mon, 11 Aug 2025 00:29:56 GMT

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