| 单词 | electric quadrupole moment |
| 释义 | electric quadrupole moment [i¦lek·trik `kwä·drǝ´pōl ´mō·mǝnt] ELECTRICITY A quantity characterizing an electric charge distribution, obtained by integrating the product of the charge density, the second power of the distance from the origin, and a spherical harmonic Y*2m over the charge distribution. |
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