现代聊天机器人的意义，已经不只在于能回答。从相关研究可以看到，它一端连接问答系统，另一端进入教育辅导等高频场景。过去用户面对的是固定菜单，实际使用中更期待用自然语言直接提出困惑，并获得可执行方案。 在教育领域，对话式AI正在从答疑工具走�
From Time-Sharing Terminals to AI Dialogue From Early Mainframes to Future Agents: Past Lessons and Tomorrow's Possibilities
The rise of online dialogue begins before chat became a daily habit. In the 1950s, computers were room-sized, expensive, and reserved for trained specialists. Work was usually handled through delayed computation. People prepared stacks of instructions, submitted programs and data, and waited for