较之旧标准，新标准更完善合理。
The revised standard version is more perfect and reasonable.
以一个旧标准的单臂演习，并约定俗成，能强迫游泳者去思考和探索。
Taking an old standard drill like single arm, and turning it in to a set, can force swimmers to think and discover.
弗兰·克里平的工作表明，我们进入了一个伟大的旧标准混合呼吸演习。
Working with Fran Crippen showed us a great breathing drill mixed into an old standard.
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