树状合成结构中每个节点都以图标形式显示。
Compositing Tree with iconic representation on each Tree node.
在这种类型的表示法中，信息分类由可视的图标形式而不是语言术语来表示。
In this type of presentation, the information categories are represented by visual iconic forms rather than language terms.
但是这个函数不能用公式来代表，但可以用表格的形式来记录或者用一种自动装置以图标形式来追踪。
But this function admits of no formula representation, although it can be recorded in a tabular form or traced but graphically by an automatic device.
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