2·My experience tells, firstly, know the motions well: this set of swordsmanship has 48 styles, every form's should reach to its request.
我的经验是:首先,先熟悉动作:本套剑术48式,一招一式都要动作到位。
3·The question arises: What is the purpose of the study and application of geometry to swordsmanship?
问题出现了:在剑术中几何学研究和应用的目的意图是什么?