propagator

英 [ˈprɒpəɡeɪtə(r)] 美 [ˈprɑːpəɡeɪtər]

n.  (植物)繁殖盒

复数:propagators

化学

BNC.39267 / COCA.42402



牛津词典

noun

  1. (植物)繁殖盒
    a box for propagating plants in

    双语例句

    1. Root the cuttings in a heated propagator.
      把插条放在加热的培育箱里生根。
    2. The Free Propagator of the Graviton Field Using Feynman Integral
      利用费曼积分计算引力场的自由传播子
    3. The Renormalization Mixture Loop Chain Diagram Propagator in the SU ( 2) Model and the Differential Cross-section of the Proton-neutron Elastic Scattering
      SU(2)模型中的介子重整化混合圈链图传播子及其p+n→p+n微分截面
    4. For the high order generalized screen propagator prestack depth migration, the more the order is the better the result we get.
      高阶广义屏算子随其阶数的增多,其精度也将越高。
    5. What is intended as a rescue mechanism would then unwittingly become a crisis propagator.
      原本用作纾困的一个机制不经意间变成了一个危机传播器。
    6. Using the parameterized quark propagator proposed by us in our previous publication, the quark vacuum condensates and tensor susceptibility of QCD vacuum have been calculated.
      利用以前提出的参数化的夸克传播子,计算了夸克的真空凝聚值和QCD真空的张量感应率。
    7. Advanced residual chi-square test method based on state propagator
      基于状态递推器的改进型残差χ~2检测法
    8. New wide-band DOA estimation algorithm based on propagator method
      基于传播算子的宽带DOA估计新算法
    9. The Security Descriptor Propagator has been notified of waiting propagation events.
      安全描述符传播程序已经被通知要等待传播事件。
    10. He added that these days anyone can be a propagator, but good journalists have a duty to search for and report the truth.
      在当今人人都是传播者的时代,称职的记者有责任去挖掘、报道实情。
    11. Polarization, Propagator, Interaction Matrix, Cross Sections and Unitarity Bounds.
      极化,传播,作用矩阵,截面和么正极限。
    12. The imaging method with wide angle phase correction based on elastic screen propagator
      弹性波相屏传播算子大角度相位校正成像方法
    13. Those guarantees are now the main crisis propagator.
      这类担保目前正是主要的危机传播器。
    14. It would end the uncertainty of investors and savers, which has become a crisis propagator.
      这样还会消除投资者和储户忐忑不安的情绪这种情绪已成为传播危机的因素。
    15. For the conservative quality factor system in some direction, the propagator of ABCD formulation can be got.
      对于某一方向上品质因子守恒的情况,可以通过解析某一方向品质因子守恒的充要方程,找到原子激光的ABCD形式的传播子。
    16. The commutation rules and general expressions for the Feynman propagator for a free particle of an arbitrary integral spin are derived.
      导出了自旋为任意整数的场的一般对易规则和费恩曼传播子的一般表达式。
    17. Local plane wave decomposition of one-way propagator and the applications to directional illumination analysis and target-structure oriented imaging
      单向传播子的局部平面波分解以及在定向照明分析和目标特征成像中的应用
    18. The two most fundamental factors of literary propagation are the propagator and the mass media.
      传播者和传播媒介是文学传播最根本的两个要素。
    19. Projection operator and propagator for spin 2
      自旋为2的自由粒子的投影算符和传播子
    20. The digital library is the manufacturer, propagator and consumer of knowledge products in the times of knowledge economy.
      数字图书馆是知识经济时代知识产品的生产者、传播者与消费者。
    21. In this paper, we have given the propagator matrix of elastic wave in a lateral homogeneous medium for B. P. G. coordinate system. This propagator matrix may be represented with five matrix factors, among which four matrices are independent of the frequency.
      本文在B、P、C坐标中给出了弹性波在横向均匀介质中的传播矩阵,并将其表示为五个形式简单的矩阵乘积,其中有四个矩阵是与频率无关的。
    22. The results prove it is effective that the viscoelastic problem is treated using the propagator matrix method.
      最后用粘弹性分层介质传播矩阵方程对一个实际地学问题做了试算,计算结果说明,用传播矩阵法处理粘弹性问题是非常有效的。
    23. Based on the local plane wave decomposition of wave fields, the local plane wave beam with the double localization property in both space and direction is obtained. So the local plane wave decomposition is applied to Fourier finite-difference propagator.
      本文基于波场的局部平面波分解,得到空间和方向都具有局部性的局部平面波小波束,并由此对Fourier有限差分传播算子进行局部平面波分解。
    24. The one-dimensional time-dependent Schr? dinger equation is numerically solved with the symmetric splitting of the short-time exponential propagator and the fast Fourier transformation.
      利用短时指数传播子对称分割法和快速傅立叶变换技术,数值求解了一维的含时Schrdinger方程。
    25. Schwinger proper-time method is generalized for the calculation of coincidence limit of Fermion propagator with momentum dependent Fermion self energy, the contribution of Fermion system to path integral of 4-dimension space time quantum field theory.
      并且推广了Schwingerproper-time方法,使之能够计算含有动量相关的费米子自能的费米子传播子;探讨了4维可重整化的量子场论中费米子在路径积分中的贡献。
    26. A propagator method was used to calculate diffusion attenuation of the NMR signal under general nonlinear field gradients.
      利用传播子方法研究了在一般非线性场梯度下NMR信号的扩散衰减。
    27. The narrow band propagator method is introduced to the wideband signal-subspace processing in the direction finding problem.
      将窄带传播算子方法引入宽带源测向的相干信号子空间处理中。
    28. And the symplectic integrator propagator method is applied in time domain where 4th order accuracy is achieved.
      同时利用辛积分传播子方法构造4阶时域精度。
    29. The connecting boundary and the PML absorbing boundary condition based on the symplectic integrator propagator and the discrete singular convolution are derived.
      推导了基于辛积分和离散奇异卷积的连接边界和PML吸收边界条件。

    英英释义

    noun

    1. someone who spreads the news

        Synonym:    disseminator

      1. someone who propagates plants (as under glass)