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- Application of earthquake refracted wave method to geologyical prediction for tunneling 地震反射波法技术及其在隧道超前地质预报中的应用研究
- earthquake refracted wave 反射波
- From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam. 以哈尔斯法为例,将相遇折射波法用于剩余煤厚探测中,具有精确、高效、快速的特点。
- Keywords refracted wave;refleted wave;hidden fault;earthquake observation; 关键词折射波;反射波;地震观测;隐伏构造;
- 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。
- preliminary refracted wave static correction 初至折射静校正
- Keywords seimic exploration;refracted wave;concealed layer; 地震勘探;折射波;隐蔽层;
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- We all felt the earthquake tremors. 我们都感觉到地震时的颤动。
- The city was rased by an earthquake. 地震把这个城市夷为平地。
- Light is refracted when passed through a prism. 光线经过棱镜时产生折射现象。
- The earthquake was a terrible catastrophe. 这次地震是个可怕的灾难。
- A series of tremors often precedes an earthquake. 地震前常发生一连串的微震。
- Plague came in the wake of earthquake. 地震之后紧跟着就是瘟疫。
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- Thousands of people perished in the earthquake. 那次地震死者数以千计。
- This paper uses the Quadratic/Linear Traveltime Interpolation (QLTI) ray tracing method to get the traveltime of the headwave including direct wave, reflection wave, and refraction wave. 采用旅行时线性/二次联合插值射线追踪算法(QLTI算法)对包括直达波、折射波、透射波在内的多种射线进行追踪,得到井间层析成像的旅行时,它的突出优点是精度高。
- Earthquake shocks are often felt in Japan. 在日本常常感觉到地震引起的震动。
