【多选题】对于排序算法特性的叙述正确的是() (多选)Which of these statements about the features of sorting methods is correct? (multi-choice)
A.
冒泡排序不需要访问那些已排好序的记录 Bubble sorting does not need to visit the records that are in order.
B.
shell排序过程中,当对确定规模的这些小序列进行插入排序时,要访问序列中的所有记录 In shell sorting, when do the insertion sorting for small sequence with determined scale, all records are visited.
C.
选择排序需要访问那些已排好序的记录 In selection sorting, those in order should be visited.
D.
快速排序过程中,递归树上根据深度划分的每个层次都要访问序列中的所有记录 In quick sorting, in each level of the recursion tree divided by depth, all records are visited.