n.
an instance of change; the rate or magnitude of change
同义词：fluctuation
an activity that varies from a norm or standard
"any variation in his routine was immediately reported"
同义词：variance
a repetition of a musical theme in which it is modified or embellished
something a little different from others of the same type
"an emery wheel is the modern variation of a grindstone"
同义词：versionvariantedition
an artifact that deviates from a norm or standard
"he patented a variation on the sandal"
the angle (at a particular location) between magnetic north and true north
同义词：magnetic declinationmagnetic variation
the process of varying or being varied
(astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
(biology) an organism that has characteristics resulting from chromosomal alteration
同义词：mutantmutationsport
(ballet) a solo dance or dance figure
同义词：pas seul
the act of changing or altering something slightly but noticeably from the norm or standard
"who is responsible for these variations in taxation?"
