例句與造句

1. The authors discussed the procedure of building a sequential coded quardtree , explain how to add points clouds to nodes of tree
   闡述了順序四叉樹的快速建立，并通過一個(gè)試驗(yàn)系統(tǒng)驗(yàn)證了文中所提方法的有效性。
2. It's difficult to find add point clouds in a sentence. 用add point clouds造句挺難的