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
- 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 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。 - 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 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。 - In acoustics he studied the propagation of sound and musical consonance and dissonance.
在声学中,他研究了声的传播和音乐的和谐与不和谐。 - 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。 - 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。 - 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。 - 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。 - 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。