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单词 ray parameter
释义 ray parameter
[`rā pǝ´ram·ǝd·ǝr]
GEOPHYSICS
A function p that is constant along a given seismic ray, given by p = rv-1 sin i, where r is the distance from the center O of the earth, v is the velocity, and i is the angle that the ray at a point P makes with the radius OP.
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