direction of propagation
英
美
网络 传播方向
双语例句
- Because the ray direction does not consist with the normal to wavefront and the index of crystal is changed with the direction of propagation, the design of crystal components is a difficult problem.
由于晶体的折射率随传播方向而变，因此晶体元件的设计更困难。 - Filamentation refers to break up in the transverse direction, while modulation refers to the break up of an electromagnetic wave along its direction of propagation.
光丝是指在横向分解，而调制是指电磁波沿传播方向的分解。 - 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 minute pressure exerted on a surface normal to the direction of propagation of a wave.
波在传播时施加在一表面上的微小压力，方向与波传播的方向相同。 - A widespread outbreak of an infectious disease; many people are infected at the same time. the minute pressure exerted on a surface normal to the direction of propagation of a wave.
一种传染病的广泛传播；许多人同时被感染。波在传播时施加在一表面上的微小压力，方向与波传播的方向相同。 - The observations of seismologists at the BGS suggest both things: more thrust in the SW, nearer the epicentre, and more strike-slip toward its direction of propagation, the NE.
地震学家在BGS上的观测暗示出两件事：在接近于震源中心部位的西南方向上有更大的推力；在东北方向的传播方位上有更大的碰撞滑动。 - They do have very strong electric fields, but the fields are mostly perpendicular to the direction of propagation.
它们的确都具有相当强的电场，不过电场的方向都垂直于运动的方向。 - According to the characteristics of damage progress of two-dimensional crack, the DDM tracking of dynamic process of crack propagation has been developed for external load increment and automatic unit addition along the direction of crack propagation under the criteria of maximum tensile stress.
针对二维裂纹的破坏演化特征，建立了外荷载逐次增量及在最大拉应力准则下，沿裂纹扩展方向的单元自动追加的裂纹扩展动态过程的DDM跟踪方法。 - The wave relative frequency in the coordinate system moving with current and the angle between the direction of wave propagation and that of current are computed based on the wave dispersion relation.
利用波浪弥散关系的迭代计算求得波向与流向的夹角以及波浪的相对频率。 - Dynamic Photoelastic Research on the Effect of the Direction of propagation of Explosion on the Stress Field
传爆方向对炮孔周围应力场影响的动光弹探讨 - The effects of the motion of medium on the frequency, velocity and direction of propagation of electromagnetic waves, the laws of reflection and refraction on the boundary surface of a moving medium are discussed.
论述了运动介质对电磁波频率、速度和传播方向的影响及在运动介质表面的反射定律和折射定律。 - Near-fault ground motions are significantly different from those further away from the seismic source. And they are significantly influenced by the rupture mechanism, the direction of rupture propagation relative to the site, and possible permanent ground displacements resulting from the fault slip.
近断层地震动与远场地震动不同，显著地受到下列因素的影响：断层破裂机制，相对于场地的破裂传播方向，以及由断层滑动产生的、可能的永久地面位移。 - A half-transparent plate is put before the microwave detector with its plane perpendicular to the direction of propagation of the microwave. The wavelength of microwave can be determined by moving the plate and the results obtained by this method are the same as by the Michelson interference method.
在微波接收器前放置板面垂直于波传播方向的半透平板，沿波传播方向移动板的位置可以测量微波的波长，测量结果与用迈克耳逊干涉法测量的结果相同。 - Methods: A triple-lumen low compliance system was used to record the sphincter oddi basal pressure, phasic contraction frequency, amplitude and direction of wave propagation.
方法：用低顺应性灌注系统，三通道测压导管，观察Oddi括约肌基础压、Oddi括约肌基础收缩幅度、频率和传播方式。 - The analysis of theory and experiments shows that dark photovoltaic solitons depend on the direction of propagation, orientation of the intensity gradient, with respect to the crystalline axes of the medium.
实验和理论分析表明，暗光伏孤子的形成与光的传输方向，强度梯度与晶体c轴夹角有关； - A study on relationship between overburden property and direction of influence propagation
覆岩岩性与开采影响传播方向关系的研究 - Two NRD-guide discontinuities, i.e. symmetrical step and misaligned step in the direction of propagation, and Y-branch NRD-guide power divider/ combiner are characterized with full wave mode-matching technique.
利用模匹配法对对称阶梯和非对准NRD波导不连续结构以及所提出的Y型分支结构NRD波导功率分配器/合成器进行了全波分析。 - The dispersion is due to the inhomogeneity of medium, which will lead the energy of sound to deviate from its direction of propagation.
另一部分则是由于声波在不均匀介质中的声散射把能量散射到其他方向，而使原来传播方向上的声波能量减弱。 - Relative to different stages of civilization, from pointing to history and giving attention to present, the human information processing, creating and direction of time of propagation change to innovate the future.
相对于不同的文明时代，人类信息处理、创制和传播的时间方向也从指向历史、关注现在，转变到了创新未来。 - The CPU time saving by several times and accuracy of the method are confirmed by computing the reflection and transmission through a magnetized plasma layer, with the direction of propagation parallel to the direction of the biasing field.
通过计算磁化等离子体平板对平行于磁场传播的电磁波的反射和透射系数，验证了该算法的精度与JEC算法基本相同，而计算效率提高数倍。 - When the direction of crack delaminating phenomena was not consistent with the direction of crack propagation, the delaminating phenomena provided resistance to the crack propagation, which increases the strength and toughness properties of the samples.
当裂纹扩展方向与分层方向不一致时，分层现象的存在阻止了裂纹的扩展，从而提高材料的强度与韧度。 - Then the incipient cracking criterion, the stable and unstable criteria of crack propagation are established in accordance with the non-equilibrium thermodynamical stability, and the direction of crack propagation is indicated.
再根据非平衡态热力学稳定性建立起起裂判据、裂纹扩展的稳定和失稳判据，并指明了裂纹扩展的方向。 - The form and direction of crack propagation in rock are obtained according to given loading, by use of fractal geometry method and micro-thought method.
结合加载类型分析了岩石裂纹扩展的形式、方向，解释了岩石损伤演化的规律。 - To the standard of the audience, a more interactive way dissemination of product information, in order to extend the brand reputation and brand loyalty, is the primary direction of propagation for the current finance brand.
以受众为本位，通过更加互动的方式传播产品信息，以此延伸品牌美誉度和品牌忠诚度，是现今时代金融品牌传播的主要方向。 - The proposed DOA algorithm has explicit physical meaning that the energy reaches its maximum value along its direction of propagation.
该算法具有明确的物理意义，即水声信号沿着其传播方向能量分量最大。 - If the photonic crystal bands gap can control, namely the direction of propagation of electromagnetic waves changes with the change of the people opinions, it will be a major breakthrough in the field of photonic crystal research.
如果光子晶体带隙可以调控，即电磁波的传播方向可以随人们的意愿而改变，这将是光子晶体研究领域的一大突破。 - For the light field is periodic in the perpendicular direction of transverse propagation, diffraction light field has a point to point correlation.
周期物体的衍射光场在垂直于传播方向的横轴上具有周期性，即衍射光场有着点对点间的关联特性。 - It was found that, the modulation of second-order nonlinear coefficient was introduced only in the direction of the propagation of nonlinear polarization wave, and then Cerenkov radiations which depended on the domain walls were modulated.
研究发现，只有在非线性极化波的传播方向上引入二阶非线性系数的调制，这种依赖于畴界的辐射效应才可以被调制。 - For two cases including the magnetic field parallel and perpendicular to the direction of propagation external magnetic field affects the dispersion characteristics of TM mode.
分析了磁场平行和垂直传播方向两种情况下，外加磁场的变化对TM模式色散特性的影响。 - Magneto-optic fiber Bragg gratings ( MFBGs) are photonic crystal fibers possessing a periodic spatial modulation of their optical and magneto-optical properties along the direction of propagation of an optical wave.
磁光光纤布喇格光栅是沿着光波传播方向的光学和磁光特性被周期性调制的一种光子晶体光纤。