propagation

英 [ˌprɒpə'ɡeɪʃ(ə)n]

美

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
• the spreading of something (a belief or practice) into new regions
  Synonym:extension
• the movement of a wave through a medium

双语例句

• 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。
• 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。
• 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。
• 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。
• The mechanism of the sympathetic inrush and the propagation in system are analyzed.
  本论文对和应涌流产生的机理及其在系统中的传播进行分析；
• The behaviours of fracture, fatigue and fatigue crack propagation in a cast magnesium alloy are systematically studied.
  本文系统地研究了铸造镁合金的断裂，疲劳和疲劳裂纹扩展性能。
• 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。
• 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。
• Based on the assumption of single-scattering, atmospheric propagation model of non-line-of-sight optical scattering communication system is studied.
  在单次散射假定下，研究了非视线光散射通信系统的大气传输模型。