运动的规则，各种各样的戏的教程，对的描述扔，为队船长，术语的词汇表和相关连接的信息。
Rules of the sport, tutorial of various plays, description of throws, information for team captains, glossary of terms and related links.
提供了一个普通高校田径运动会信息管理系统的范例，并描述了系统的结构与功能。
This paper offers an example of Track and Field Games Management Information System in a university, and describes its functions and constructions.
使用现有的产品数据表达与交换标准STEP只能描述CAD模型几何、拓扑和部分运动学信息，对多刚体动力学特征的描述一直是特征模型中的一个空白。
But there are only basic info of geometry, topology and partial kinematics in the CAD model in STEP. The description on feature of multi-rigid-body dynamics is hardly blank.
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