《响趣》创作于2000年，是贾达群教授受法国“2000中国古典音乐系列音乐会”委约、陈其纲邀请而做的中国打击乐作品。
Written in 2000, Sound Games is created by Professor Jia Daqun after the commission of French "2000 Chinese Classical Music Series concert" and the invitation of Chen Qigang.
清远市别墅群环抱的中心绿地设计成＂唐风禅境＂立意的古典园林＂沁园＂，使业主享受园居生活。
The green space in the center of the Vila Area of Qingyuan is designed into a classical garden "Qinyuan", which offered a pleasant environment for the residents.
非古典对称方法在经典的李对称方法的基础上添加了初始方程的表面不变条件，从而既简化了计算，又有助于得到更多的对称及群不变解。
Compared with the classical Lie method, it adds an invariant surface condition in the formation. Consequently, it makes calculation easy and obtains more group-invariant solutions.
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