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it refers to a horse racing operation system that classifies the grade of racehorses using the ratings given to the racehorses described above and determines the burden weight that the racehorse will bear when participating in the race.
| ホームページ 1 | https://www.racesite.info/ |
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| ホームページ 2 | https://qna.habr.com/user/racesiteinfo11 |