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Swimming Science:Depth & Resistance水中深度對水阻的影響

出發與轉身後水中潛行or海豚踢最有效率的深度參考 Key Points: ⭐ 全部水阻減少% (~19.7% at 0.5m &~23.8% at 1m)   ⭐ 波阻減少%  (~80% at 0.5m & ~95% at 1m). ⭐ 最少需潛 0.5m 避開八成波阻,.75m以上水阻減少程度幾乎無差別 Advertisements

USA Swimming:Swim Essentials_Backstroke Starts仰泳出發基本要領

USA Swimming_Swim Essentials:Backstroke Starts仰泳出發基本要領

USA Swimming:Swim Essentials_Relay Starts接力出發基本要領

This video gives a quick overview on Relay Starts. USA Swimming_Swim Essentials: Relay Starts接力出發基本要領

孬種政府不掛 百姓自己掛

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我的中華民國國旗

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