Seismic velocity can occasionally be affected by porosity and temperature.
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2. 孔隙率和温度有时也能影响地震波速。
Seismic velocity can occasionally be affected by porosity and temperature .
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3. 一般地说横波速度大约是纵波速度的一半。
Normally the shear velocity is about half of the compressional velocity.
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4. 波速等于频率乘以波长。
Wave speed equals frequency times wavelength.
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5. 本文对水库洪水波传播的波速进行了研究。
An investigation is made into the celerity of reservoir flood wave propagation.
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6. 我们收集了渤中凹陷一条剖面的纵波速度资料。
The basic field data are P-wave velocity values collected along a seismic profile conducted in the Bozhong Depression.
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7. 土层的剪切波速是反映土体动力特性的重要参数。
Soil shear wave velocity is an important parameter which influence the dynamic properties of soil, and it is widely used in engineering practices.
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8. 砂岩孔隙度和含泥量是影响波速的两个重要因素。
Porosity and clay content in sandstone are two important factors affecting wave velocity.
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9. 云南地区S波速度结构具有很强的横向不均匀性。
In Yunnan region, s wave velocity structures show strong horizontal heterogeneity.
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10. 剪切波速是反映介质对波传播能力的一个重要指标。
Shear wave velocity is an important indicator which influence the ability that mediators propagate waves.
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11. 考虑台站因素，计算波速比的置信度最低达到95%。
The confidence is at least 95% on calculating velocity ratio when considering station factor.
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12. 首先介绍了应用剪切波速判别饱和砂土振动液化的原理；
Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity is presented.
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13. 地震波速度是地球物理勘探和开发中最重要的一个参数。
Seismic wave velocity is the most important parameter in geophysical prospecting and development.
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14. 提出采取实际不对称数值解耦的方法并引进实际模量波速。
An unsymmetrical numerical decoupling method is presented and the actual wave velocity is introduced.
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15. 在阈值温度附近岩石波速、渗透率和孔隙度变化幅度最大；
The wave velocity, permeability and porosity of rocks changed obvious around the threshold temperature.
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16. 随着原料颗粒尺寸的增大，燃烧温度和燃烧波速度都减小；
With the increase of particle size of the raw materials, combustion temperature and propagating rate will both reduce.
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17. 以上两因素对波速比方法的预报效率影响甚大，值得人们重视。
These two factors, which affect the accuracy of the method of seismic velocity a great extent, must be paid our attention.
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18. 本文提出了一种相位干涉法。用来测量表面声波速度的相对变化。
A phase interference method, for measurement of the relative change of surface acoustic wave velocities, is presented.
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19. 对软梁-硬半空间系统，梁的剪切波速和压缩波速也是临界速度；
For soft beam-stiff half space system, wave speeds in beams are also critical velocities.
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20. 本文使用遗传算法对均匀弹性介质进行波速和震源函数的联合反演。
The seismic velocity and source function of homogeneously elastic media are inversed jointly by adopting Hybrid GA.
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21. 通过数值计算结果表明，波速和震源函数的理论值与反演值比较吻合。
Numerical experiments show that the theoretical values of the seismic velocity and source function are matched well with the inversed ones.
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22. 平均波速比的可靠性有赖于较多的台站数目，以满足拟合精度的要求。
The reliability of average velocity ratios relies on the number of stations to satisfy the fitting precision.
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23. 研究揭示了岩石热开裂的波速效应，并发现热开裂波速效应具有记忆性。
The effect of thermal cracking on wave velocity was revealed and it is discovered that this effect is memorable.
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24. 岩体弹性波速度是组成岩体的岩石性质、岩体结构、赋存环境的综合反映。
Rock mass elastic wave velocity is the synthesized reflection of rock quality, rock mass structure, and rock mass existing environment.
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25. 因此，只有依据剪切波速才能评价各种条件下石灰改良土强度特性的差异。
Therefore, the compressive strength difference of lime-soils can only be evaluated based on the shear wave velocity.
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26. 处理结果表明，应用时频分析方法可以提高瑞雷波速提取的稳定性和可靠性。
The processing result notes that the method of time frequency analysis may improve stability and liability of extracting Rayleigh wave velocity.
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27. 我们知道还有一些仪器可以测量主动脉脉搏波速率，在颈动脉和股动脉之间。
But we also know there are some devices for measuring pulse wave velocity over the aorta, between carotid and femoral artery.
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28. 此波速率传播一定且有特征频率，所以这个研究团队知道他们找什么，在哪找。
Such waves travel at a known speed and have characteristic frequencies, so the team knew what to look for and when.
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29. 文章还统计了纵波和横波、岩体波速和岩石波速的关系，可供选用指标时参考。
The relations between the longitudinal and transversal waves, the wave velocities of rock mass and rock were also described in it.
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30. 行波故障测距系统中的行波波速测量的准确性在一定程度上影响了行波测距的精度。
In fault location system based on traveling wave, the measurement accuracy of traveling wave velocity influenced the fault location accuracy to a certain extent.
