公告板系统(BBS) 四川 杨光平 1996-06-28 Bulletin Board System(BBS) An electronic message centre,Most bulletin boards serve specific interest groups.They allow you to dial in with a modem.reviewmessages left by others,and leave your own message if you want.Bulletin boards are a particularly good place to find free or inexpensive software products.In the United States alone,there are tens of thousands of BBSs.