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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

        • So far we have described the propagation of alternating magnetic fields.
          至此我们讨论了交变磁场的传播。
        • Characteristics of wave propagation in grouted rockbolt were investigated with numerical simulation, experimental measurement and theoretical analysis.
          用理论分析、数值模拟和实验测试的方法研究了自由锚杆和锚固锚杆中的波传播特性。
        • 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。
        • 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 is formed by the cracks oscillating about the centerline in the direction of crack propagation.
          这是由于在裂纹的传播过程中,裂纹尖端沿着传播方向的中线上下振荡所形成的。
        • 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 a linear elastic crack was simulated by displacement discontinuity method ( DDM).
          采用位移不连续法(DDM)对裂纹的扩展进行了数值模拟。
        • Two new medium parameters related to acoustic attenuation are introduced and an acoustic propagation coefficient is defined.
          本文引入两个与声衰减有关的介质参量,定义了声传播系数;
        • The influence of radio propagation on the radio coverage uniformity in mobile communications systems is analyzed.
          本文分析了移动通信系统中电波传播对覆盖均匀性的影响。
        • He discussed the propagation of waves through the earth's interior.
          他探讨了地震波在地球内部的传播。