This System model is directly constructed by the primarydata. Consequently it may avoid the restriction of mathematical formula and keep integrity of the primarydatastructure.
该方法是从原始数据信息中直接构造系统模型,尽可能保留原始数据结构的完整性。
3
A concept Model is a computer-readable datastructure containing the primary concepts that appear in the original text and some of their relationships.