先: earlier; before; first; in a ...根: root次序: order; sequence; succession; ...先根次序遍历: preorder traversal后根次序: postorder前根次序: preorder中根次序: inorder带次数的后根次序: postorder with degrees二叉树的后根次序: postorder for binary tree二叉树的前根次序: preorder for binary tree二叉树的中根次序: inorder for binary tree二叉树前根次序: binary tree preorder先根: preorder胡先根: hu xiangen次序: order; sequence; succession; arrangement 次序颠倒 not in the right order; 按字母次序排列 be arranged in alphabetical order按次序: in order; in regular sequence场次序: field sequential次序，顺序: order noun; sequence noun次序表: program次序错: out of turn次序的: abecedarian定次序: graded定单，次序: order横次序: lateral order命令；次序: order
