跑笼运动组较技巧运动组错误次数减少显著（P<0.05）。

The error hits in treadmill running group were less than those in technical movement group(P<0.05).

自由式滑雪空中技巧运动于90年代初被正式列为全国冬季比赛项目。

The aerials in freestyle-skiing was formally listed as the national winter event at the beginning of 90s.