variations

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?"

Themes and variations on ubiquitylation.
Variations in the Earth's Orbit: Pacemaker of the Ice Ages.
Decadal atmosphere-ocean variations in the Pacific
PI3K pathway alterations in cancer: variations on a theme
“A theory of Pavlovian conditioning: Variations in the effectiveness of reinforcement,”
Case-based reasoning: foundational issues, methodological variations, and system approaches
Case-based reasoning: foundational issues, methodological variations, and system approaches
Case-Based Reasoning: Foundational Issues, Methodological Variations, and System Approaches
Melilite-type and melilite-related compounds: structural variations along the join Sr 2− x Ba x MgSi 2 O 7 (0 ≤  x  ≤ 2) and...
Functional polymorphisms of the human multidrug-resistance gene: Multiple sequence variations and correlation of one allele with P-g...