全部

1·We have a pretty good BBC network system, and that is the electronic bulletin board system.

我们有一个很好的 BBC 网络系统，那就是电子布告栏系统。

2·Internet or other Electronic Bulletin Board System, Which?

互联网或其他电子公告板，哪一个？

3·Another interesting application for Internet is the electronic bulletin board which is also called bulletin board service, BBS for short.

因特网的另一个有趣的应用是电子公告板，又称公告服务，简称BBS。

4·Once he got the PC, Katz started writing programs, spending most of his free time on electronic bulletin board services, the precursors of the Internet.

得到这台PC以后，Katz立即开始在上面编写程序，将他大部分的空闲时间花在电子布告栏系统(BBS)上面，那是互联网的前身。

5·Some people call bulletin board systems electronic mail systems.

有些人称公告栏系统为电子邮件系统。