Procreation characteristics decide the difference spatial pattern between those two species in small classes and the degree of aggregation of C.
生殖特征决定了明党参和峨参在小区组上分布规律的差异，结果导致明党参的聚集程度远远不及峨参。
2
In addition, taking spatial information into account, two statistical features were presented: local matching degree and local Max average difference.
另外，为了考察图像的空域信息，本文提出了两个统计特征：局部匹配度特征和局部最大平均差分特征。
3
The effect of discrete degree of node location imperfection on the critical load of spatial grid structure was studied through the parameter analysis of deviation discrete degree.