本文提出了一种基于路径学习的信息自动抽取方法，并采用该方法编制了一个商品价格信息自动抽取系统。
This paper brings forward an information retrieval method based on path learning that is used in a price information extracting system.
我们知道，人在发育和学习期间大脑里面发生一种形式的选择——那些运转正常的突触链接和路径得到加强，而弱者恶化。
We know that a form of selection occurs within our brains as we develop and learn - synaptic connections and pathways that work well are reinforced, whereas weak ones deteriorate.
这些基因在大脑中活动在创造，巩固和修改突触路径上——当我们学习新东西时，发生在物理和生物化学上的改变。
These genes are active in creating, reinforcing or modifying synaptic pathways in the brain -physical and biochemical changes that occur when we learn something new.
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