“high precision ultrasonic borehole imaging technology”的概念、定义、翻译、参考文献-科学参考

单词	high precision ultrasonic borehole imaging technology
释义	high precision ultrasonic borehole imaging technology 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	Boris Iakovlevitch Vladimirtsov Boris Ignatovitch Boris Ivanovich Orlovsky Boris Ivanovich Prorokov Boris Konstantinovich Zaitsev Borislav Sharaliev Boris Leonidovich Pasternak Boris Mikhailov Boris Mikhailovich Eikhenbaum Boris Mikhaylovich Kustodiev Boris Natanovich Strugatsky Boris Nikolaevich Polevoy Boris Nikolayevich Almazov Boris Nikolayevich Polevoi Boris Petrovich Ekimov Boris Petrovich Kornilov Boris Romanovich Lazarenko Boris Sergeevich Romashov Boris Shchukin Boris Vasilyevich Shchukin Boris Vian Boris Viktorovich Tomashevsky Boris Vladimirovich Asafyev Boris Vladimirovich Ioganson Boris Yakovlevich Vladimirtsov

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