4.2 Typical Data Structure-Stacks And Q queues L.aray数组 2. record n.v.记录 3. stack栈,堆栈 pop出栈 push入栈,压栈 4. queue I.队列v.排队4.2 Typical Data Structure – Stacks And Queues 1. array 数组 2. record n. v. 记录 3. stack 栈，堆栈 pop 出栈 push 入栈，压栈 4. queue n. 队列 v. 排队