Meaning of 極性復帰記録 in Japanese

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Definition of 極性復帰記録

きろく(kiroku) 【記録】

(n) record; minutes; document
今年になってやっとこれらの記録がみんなに利用できるようになった。
It was not until this year that these documents were made available to the public.
a record (e.g. in sports); results; score
(vs) to record; to document
to set a record (e.g. in sports); to show a result; to reach a value

きょくせい(kyokusei) 【極性】

ふっき(fukki) 【復帰】

(n, vs, adj-no) return; comeback; reinstatement
二年後にその歌手は復帰した。
Two years later, the singer came back.
carriage return; CR