Παραδείγματα από το σώμα κειμένου για GPR
1. Israel is asking for a number of guarantees from the Americans: One of which is a request for ground penetrating radar, GPR, to detect tunnels. (GPR is a geophysical method that uses radar pulses to image the subsurface.
2. GPR can be used in a variety of media, including rock, soil, ice, fresh water, pavements and structures.
3. Pulling the wheeled device along like a little red wagon, a GPR technician can probe as far as 15 feet (4.5 meters) below the surface.
4. Pulling the wheeled device along like a little red wagon, a GPR technician can probe as far as 15 feet below the surface.
5. The borings also narrowed the area to be examined further, and on Wednesday it was marked off in a grid with white tape for the GPR equipment to survey.