出典:Wiktionary
出典:『Wiktionary』 (2016/12/18 12:37 UTC 版)
quadrupole (複数形 quadrupoles)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/23 09:36 UTC 版)
A quadrupole or quadrapole is one of a sequence of configurations of—for example—electric charge or current, or gravitational mass that can exist in ideal form, but it is usually just part of a multipole expansion of a more complex structure reflecting various orders of complexity.