求翻译：大量的事实及研究表明，通过训练或练习提高弱势手的技能是可行的。弱势手技能水平的高低直接影响运动员技战术水平的发挥，弱势手能力的提高是技术全面发展的必要条件。测试发现，弱势手较强势上相比，在生理层面上的差异不明显。对弱势手采用特异性、非传统的、大密度的、对抗性的强化训练,能尽快提高弱势手的运动技能。是什么意思？

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