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propagation

英 [ˌprɒpə'ɡeɪʃ(ə)n]

n.  传播; 扩展; 宣传; 培养

复数:propagations 

CET6GRE医学

BNC.12741 / COCA.15569

柯林斯词典

  • VERB 宣传;传播;使普及
    If peoplepropagatean idea or piece of information, they spread it and try to make people believe it or support it.
    1. They propagated political doctrines which promised to tear apart the fabric of British society.
      他们鼓吹能颠覆英国社会结构的政治学说。
  • VERB 繁殖,培植(植物)
    If youpropagateplants, you grow more of them from the original ones.
    1. The easiest way to propagate a vine is to take hardwood cuttings...
      栽培葡萄最简便的方法就是硬条扦插。
    2. The pasque flower can be propagated from seed.
      欧白头翁可以通过种子进行繁殖。

英英释义

noun

  • the act of producing offspring or multiplying by such production
      Synonym:generationmultiplication
    1. the spreading of something (a belief or practice) into new regions
        Synonym:extension
      1. the movement of a wave through a medium

        双语例句

        • The relation between the chirp in phase of soliton pulse and soliton propagation is discussed in this paper.
          讨论了光孤子传输中,由脉冲包络的相位变化产生的啁啾与孤子传输的关系。
        • This paper studied the virus propagation characteristics, which depended on the topology of the entire network.
          研究了依存于网络拓扑的病毒传播特征,并提出了一个通用的动态系统网络模型。
        • This paper has investigated the propagation of relativistic electron beams ( REB) in magnetized plasmas.
          本文研究了相对论电子束在磁化等离子体中的传输。
        • With kernel medium model, sound propagation characteristic in grain is studied.
          从颗粒介质模型出发,对粮食中声传播性质进行了研究。
        • The propagation of spherical electromagnetic wave ( SEW) in a time-varying media of multidimensional space were studied.
          研究了球面电磁波在多维空间时变媒质中的传播特性。
        • The sound propagation in duct with non-locally reacting liner is discussed in this paper.
          本文对声波在空腔非局域反应声衬管道内的传播进行了研究。
        • Numerical simulation and experimental testing are used to study wave propagation characteristics in grouted rock bolt.
          采用数值模拟和实验模拟的方法对锚杆–锚固体系中的波动特征进行研究。
        • Earth-ionosphere waveguide radio wave propagation for the production and transmission of radio broadcasts.
          地-电离层波导电波传播广播制造和传送的地方。
        • In acoustics he studied the propagation of sound and musical consonance and dissonance.
          在声学中,他研究了声的传播和音乐的和谐与不和谐。
        • Plane Wave Propagation in One-Dimensional Quasi-periodic phononic Crystals;
          研究了声波在一维准周期系统中的传播问题。