| 1. | Refraction is often applied as a reconnaissance tool in newly explored areas .
折射波法在新的勘探地区，通常都作为一种普查手段。 |
| 2. | The seismic methods, reflection and refraction, are currently used in mining exploration .
地震法包括反射波法和折射波法，常用于金属矿勘探。 |
| 3. | It may be worthwhile to remark that the refracted and reflected waves are always excited in their totality if the following inequality holds .
但却值得指出，折射波和反射波总是全部被激发的，如果下列不等式成立的话。 |
| 4. | Application of reversed refracted wave method in detecting the thickness of remained coal seam
相遇折射波法在剩余煤厚探测中的应用 |
| 5. | This paper presents a static correction method by using the first - arrival times in raw seismic data
本文提出一个用折射波初至时间计算静校正量的新方法。 |
| 6. | Application of preliminary refracted wave static correction technique in complicated area seismic data processing
初至折射波静校正技术在复杂探区地震数据处理中的应用 |
| 7. | Also , any negatively refracted wave would be rapidly smeared out in only a few wavelengths by dispersion , which valanju maintains will always be a major problem in a negative index material
此外，负折射波将在几个波长内因色散而快速衰减，瓦蓝朱认为这将是负折射率材料最大的问题。 |
| 8. | The paper discussed the application of seismic - refraction on tunnel geologic engineering in detail through the practical problems in engineering geology exploration of jikeng tunnel in funing highway , fujan province
摘要本文通过福建省福宁高速公路矶坑隧道工程地质勘察中的实际问题，详细讨论了地震折射波法在隧道地质工程中的应用。 |
| 9. | The surveying of refraction shooting on the shallow sea is affected by the complicated hydrologic condition , for example , tides , ocean currents , waves which is mainly the disturbance can be conduce a great affection to surveying system
摘要海上水文环境的复杂性给开展浅层初至折射波法地震勘探带来一定困难，主要体现在潮汐、海流、涌浪等对观测系统产生较大影响，是海上工作的主要干扰因素。 |
| 10. | In this paper the author studies the theory and method of refraction tomography at uppermost mantle . the images of p - and s - wave velocity lateral variation are rebuilded at uppermost mantle beneath china continent , and anisotropy of p - wave velocities are obtained on the basis of pn and sn travel time data in china and adjacent area by tomography technique
本文在详细分析研究了上地幔顶部折射波层析成像技术的理论和方法及其发展历程的基础上，搜集了中国大陆及邻区的pn和sn到时资料，利用层析成像技术，重建了中国大陆上地幔顶部的p波和s波速度横向变化图像，并反演出p波波速的各向异性分布。 |
