It compares these algorithms through experimentations. The results shows that the time efficiency of the algorithm based on 2 hash tables is higher than those obtained based on 3 hash tables.
通过实验对这几种算法进行了比较，结果表明基于2个哈希表分类的算法的时间效率要高于基于3个哈希表分类的算法。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
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