国防部网

1

在这些互联网前辈的早期岁月里，比如美国国防部的阿帕网（ARPANET），用户必须维护一些对其它机器的列表以登录正确的成员机器。

In the early days of the internet 's predecessor , the American Defence Department 's ARPANET , users had to maintain lists of other machines to enter the correct machine numbers .
2

计算机对计算机的邮件最早出现在1968年，当时博尔特·贝拉尼克-纽曼公司受聘为美国国防部研究阿帕网，即因特网的前身。

Computer-to-computer email got its start in 1968 , when Bolt Beranek and Newman ( BBN ) was hired by the United States Defense Department to work on ARPANET , the precursor to the Internet .
3

美国国防部建立了阿帕网，作研究用。

ARPANET started by the US Dept. of Defense for research .