After the first race, two rowers, one from each crew, swap places; then the boats race each other again, with the aim of isolating the effect of a single rower on an entire crew.
第一场比赛后，每个赛艇出一个船员，交换位置，然后进行第二场比赛，目的是将船员与整个组孤立起来。
2
The own-raceeffect refers to the finding that faces of one's own race are better recognized than faces of other less familiar race.