Deal with the problem of object and relation mapping is to solving the problem of data persistence.

对象和关系的映射实际上是要解决数据持久性问题。

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It get the nonlinear mapping to describe the relation of the system's input and output by learning the controlled system's input and output data.

它依据被控系统的输入输出数据，通过学习得到一个描述系统输入输出关系的非线性映射。

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According to quantitative parameters mapping relation, heuristic knowledge acquisition strategy based on qualitative reasoning and data mining is proposed.

针对量化参数间映射关系，提出了基于定性推理和基于数据挖掘的启发性知识获取策略。

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