propagation
英 [ˌprɒpə'ɡeɪʃ(ə)n]
美
n. 传播; 扩展; 宣传; 培养
复数:propagations
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.- 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。
- They propagated political doctrines which promised to tear apart the fabric of British society.
- VERB 繁殖,培植(植物)
If youpropagateplants, you grow more of them from the original ones.- 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。 - The pasque flower can be propagated from seed.
欧白头翁可以通过种子进行繁殖。
- The easiest way to propagate a vine is to take hardwood cuttings...
英英释义
noun
- the act of producing offspring or multiplying by such production
- the spreading of something (a belief or practice) into new regions
- the movement of a wave through a medium
双语例句
- 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 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。 - 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。 - 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。 - 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 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。 - 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 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。 - 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。 - 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。