Examlex
In a chi-square goodness-of-fit test, theoretical frequencies are also called expected frequencies.
Refracted
Refracted refers to the change in direction of a wave, such as light or sound, as it passes from one medium to another at an angle.
Reflected
The return of light, heat, sound, or energy from a surface.
Seismic Reflection Survey
A geophysical method for exploring Earth's subsurface by sending seismic waves and analyzing the reflected signals from subsurface structures.
Magnetic Survey
A geophysical method for mapping variations in the Earth's magnetic field, often used in mineral exploration.
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