对专项运动内在、微观和动态的细节变化进行深入了解和认识，是当前探索和研究专项特征的主要发展趋势。
The cognition on internal microcosmic and dynamic detailed variation of specific sport event is the main developing trend of studying and researching specific characteristic.
现代排球运动竞争激烈，技、战术变化多样，形成了排球运动新的格局和发展趋势。
New pattern and trend of volleyball sport have been formed because modern volleyball sport has such characters as violent contest, various techniques and tactics and so on.
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