The technique for measurement path be controlled based on surface reverse and ultrasonic measurement

Author(s):  
Wang Yanying ◽  
Zhou Xiaojun ◽  
Cheng Yaodong ◽  
Liutao
1990 ◽  
Vol 2 (1) ◽  
pp. 239-257
Author(s):  
A. V. Clark ◽  
R. B. Thompson ◽  
Y. Li ◽  
R. C. Reno ◽  
G. V. Blessing ◽  
...  

2020 ◽  
pp. 1-13
Author(s):  
Wei Song ◽  
Qizhe Tang ◽  
Chang Su ◽  
Xiang Chen ◽  
Yonggang Liu

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