1. The martial of clear cover shad uses polycarbonate. Power source is used
single-foot in a moment start floorescent tube lamp.
灯具的后罩壳材料选用玻纤增强塑料，透明罩壳材料选用聚碳酸酯。
2. Test of
single-foot stand with eyes closed: the tchoukball group is better than the judo group while the judo group is better than the volleyball group.
在闭眼单足站立测验部分，巧固球组优于柔道组，柔道组优于排球组，可是三组之间却未能达到显著性差异存在。
3. Second; 2D Principal Component Analysis (PCA) is made use of to extract eigenvectors along foot-length of every
single-foot-footprint in the cluster-footprints.
第二，采用2D主分量分析（PCA）提取成趟足迹中每个单足足迹沿足长方向的特征向量。
