This algorithm scans the data base only once and the speed of binary operation is faster than the speed of comparison of item sets and transactions.
此算法只扫描一遍数据库，并且二进制数的位运算速度比候选集与事务记录的比较运算速度要快得多。
This algorithm scans the data base only once and the speed of binary operation is faster than the speed of comparison of item sets and transactions.
此算法只扫描一遍数据库，并且二进制数的位运算速度比候选集与事务记录的比较运算速度要快得多。
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