“高精度超声波钻孔成像技术”的概念、定义、翻译、参考文献-科学参考

单词	高精度超声波钻孔成像技术
释义	高精度超声波钻孔成像技术 Encyclopedia 工学工程数字化勘测技术释 high precision ultrasonic borehole imaging technology高精度超声波钻孔成像技术以孔内探头发出的超声波为信号源，向下发射脉冲超声波信号，信号经倾斜45°放置的凹面镜聚焦反射、改变方向。并垂直入射孔壁，信号经孔壁反射，被探头接收形成一个像点，如此经360°扫描后形成在某一个深度孔壁一周的图像成像技术。
随便看	bounded below sequence bounded below set bounded bilinear form bounded body bounded chain bounded characteristic bounded closed set bounded closure bounded cohomology bounded complete statistic bounded complete sufficient statistic bounded complex bounded convergence bounded convergence theorem bounded convergence topology bounded curvature bounded degree bounded depth first search bounded derivative bounded derived category bounded distance decoding bounded distortion bounded domain bounded downwards bounded element

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。