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
- Like light waves, acoustic ( sound) waves are characterized by a frequency, wavelength and propagation speed.
声波就和光波一样,是以频率、波长和传播速度为其特徵。 - 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 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。 - 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。 - 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 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; - 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。 - 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。 - 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。 - Numerical study on effect of joints on blasting wave propagation in rock mass;
在实验的基础上,研究了电磁场对瓦斯爆炸过程中火焰传播和爆炸波的影响。