| rayfract.com | |
| 网站标题： | Rayfract Seismic Refraction Software |
| 网站简介： | Rayfract seismic refraction and borehole tomography software provides subsurface seismic velocity models for geotechnical engineering and exploration |
| 关键字： | Seismic Refraction Refraction Tomography Smooth inversion gradient starting model velocity anomalies faults Plus-Minus Eikonal Fresnel volume crosshole diff |
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