propagation

1. VERB 宣传；传播；使普及
   If people propagate an 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。
2. VERB 繁殖，培植（植物）
   If you propagate plants, 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。

1. If a plant has spotted or crinkled leaves, do not use it for propagation.
   如果植物的叶子有斑点或者萎缩，就不要用来繁殖。
2. The propagation of stress waves in solids can be considered as a part of the field of acoustics or ultrasonics depending on the conditions.
   应力波在固体中的传播，根据其条件可视为声场或超声场的一部分。
3. 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。
4. 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。
5. In this paper, the wave propagation characteristics of infinite cylindrical shells with circumferential surface crack are investigated.
   研究了振动波在含有环向表面裂纹的无限长圆柱壳中的传播特性。
6. Characteristics of wave propagation in grouted rockbolt were investigated with numerical simulation, experimental measurement and theoretical analysis.
   用理论分析、数值模拟和实验测试的方法研究了自由锚杆和锚固锚杆中的波传播特性。
7. 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。
8. 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。
9. 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。
10. In this paper, the elastic wave propagation in honeycomb materials is investigated based on the dispersion relations.
    通过研究蜂窝材料的弹性波频散关系，分析了其弹性波传播特性。
11. 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。
12. 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。
13. 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。
14. 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。
15. 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。
16. 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。
17. 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。
18. 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。
19. 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。
20. 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。
21. 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。
22. 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；
23. This paper has investigated the propagation of relativistic electron beams ( REB) in magnetized plasmas.
    本文研究了相对论电子束在磁化等离子体中的传输。
24. 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。
25. 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。
26. 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；
27. 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。
28. 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。
29. With kernel medium model, sound propagation characteristic in grain is studied.
    从颗粒介质模型出发，对粮食中声传播性质进行了研究。
30. 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。

noun

1. the act of producing offspring or multiplying by such production

   Synonym:    generationmultiplication

2. the spreading of something (a belief or practice) into new regions

   Synonym:    extension

3. the movement of a wave through a medium