数据包交换系统、方法，路由设备，数据包结构和产生方法。

Data pack exchanging system, method, route appts. data pack structure and generation method.

youdao

取而代之的是，建造世界性数据包交换系统的工作留给了五角大楼，他们设计了ARPANET——因特网的祖先。

Instead, the creation of a worldwide packet-switching system was left to the Pentagon, which devised ARPANET, the predecessor to the Internet.

youdao

取而代之的是，建造世界性数据包交换系统的工作留给了五角大楼，他们设计了ARPANET——因特网的祖先。

Instead, the creation of a worldwide packet-switching system was left to the Pentagon, which devised ARPANET, the predecessor to the Internet.

youdao