new Japanese record
Abbreviation of 日本新記録 (にほんしんきろく). Used in sports reporting and record-keeping to denote a new national record for Japan.
See also: 日本新記録
He set a new Japanese record in the 100 meters.
This time is a new Japanese record.
Abbreviation of 世界新記録 (world record); parallel construction.
Clipping of 日本新記録 (にほんしんきろく, 'new Japanese record'). The abbreviation pattern is common in sports terminology.