目前，体育统计方法在体育领域里的应用达到了一定水平，并取得了可喜的成果。
A fairly high level has been reached, and gratifying results have been achieved, in the application of statistical methods in the sports domain.
集料对混凝土强度的影响是一个悬而未决的难题，许多学者一直致力于这方面的研究，并取得一定的成果。
The effect of aggregate on concrete still be a pending difficulty, therefore, numerous researcher study it constantly, and have made some achievements.
在拓扑关系和方向关系复合推理的基础上，提出了将拓扑和方向结合起来进行拓扑关系定性推理的方法，并取得了一定的成果。
In the foundation of complex reasoning of topological relationship and directional relationship, the paper gave a topological relationship qualitative Reasoning method using topology and direction.
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