运动实践证明，要训练培养出高水平的运动员，必须从选材开始，即要选拔出那些具有运动天赋和发展潜质的优秀苗子。选好材是成功的一半或者是事半功倍，反之则是事倍功半，这些已经是毋庸置疑的共识。但是通过什么有效的途经和方法才能把那些具备游泳运动天赋发展潜质的优秀人 Sports practice has proved that training to train a high level of athletes must begin with the selection of material, that is, to select those who have the talent and potential for sports development of outstanding seedlings. Selected materials are half successful or less effective, and vice versa are less effective, these are no doubt the consensus. However, through what effective means and methods to those who have the talent for the development of swimming talent talent