“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	ecological planning ecological port construction ecological potential ecological process ecological productivity of grassland ecological protection engineering ecological protection of the Sanjiangyuan areas ecological protection red line ecological protection redline system ecological protection tax ecological psychology ecological pyramid ecological race ecological range of invasive species ecological reconstruction ecological recovery of farmland ecological recycling ecological red-line of resources and environment ecological region ecological regionalization in China ecological regulation and management of pests ecological remediation of contaminated soil ecological remediation of polluted water ecological remediation of pollution ecological remediation of soil refuse dump

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