例句與造句

1. the system gives two kinds of recommendation algorithms based on association rule mining and user's transaction pattern clustering
   本系統(tǒng)給出了基于關(guān)聯(lián)規(guī)則挖掘和基于用戶事務(wù)模式聚類(lèi)兩種推薦算法。
2. It's difficult to find pattern clustering in a sentence. 用pattern clustering造句挺難的