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 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。
• In this thesis we investigate the beam propagation and amphoteric refraction in a Uniaxially anisotropic crystal.
  本文在理论上研究了单轴晶体中的光束传输和正负折射现象。
• 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。
• 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。
• 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。
• Optical effects in intersectional silicon waveguide switch are investigated by using beam propagation method.
  运用光束传播法对硅交叉波导全内反射光开关中的光学效应进行了详细分析。
• 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。
• We consider the propagation of the interface phonons in the active core of a quantum cascade laser.
  研究了量子级联激光器有源核中界面声子的色散关系和静电势分布。
• The delay due to the carry propagation through the adder stages can be minimized when a carry-look-ahead scheme is used.
  采用越级进位方式可以减小逐级进位造成的延时。