angiospermous wood是什么意思,angiospermous wood的中文翻译,angiospermous wood的用法例句-行业英语-优校网

网络释义

1)angiospermous wood,被子树木2)The pond is encircled by trees.,池塘被树木环绕。3)The tree had been blasted by lightning.,树木被雷电击毁。4)The lake is encircled by trees.,湖被树木环绕。5)constrained sub-tree,被约束子树6)Angiospermous fossil woods,被子植物硅化木

用法例句

Because in process of mining only generate constrained sub-trees consisting of three small arrays,which is pseudo tree structure based on the originally unidirectional FP-tree,the flaw is avoided in former algorithms which need to generate lots of condi.

该算法在挖掘过程中只生成被约束子树,而它是一种虚拟的树结构,在原有的单向FP-tree基础上用三个很小的数组来表示,因而避免了以往算法需递归构造条件FP-tree来计算频繁闭项集的弊端,极大地降低了内存空间和时间开销,提高了挖掘效率。

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angiospermous wood是什么意思

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