1. Duplication would cause instability in the Internet and compromise its ability to deliver datagrams to networks. 重复将会使得网际网路不稳定且危及它递送资料报到网路的能力。
2. Internetworking evolved as a solution to three key problems: isolated LANs, duplication of resources, and a lack of network management. 网络作为解决三大关键问题而发展：孤立的局域网，重复的资源和缺乏网络管理。
3. Rather than have all of this duplication, we will have a more general user that has this behavior and then the actors will "inherit" this behavior from the new user. 与其都存在这个重复的部分，还不如建立一个拥有这些行为的更一般的参与者，然后其他新的参与者将“继承”这个参与者的行为。
英英解释
n.
1. a copy that corresponds to an original exactly
2. the act of copying or making a duplicate (or duplicates) of something
网络释义
duplication （媒体）重复;
重复（建设）;
复制;
重叠率;
self duplication 自复制;
释义：自体复制,自我增殖;
chromosomal duplication 染色体复制;
释义：染色体重复;
tandem duplication 连续重复;
释义：衔接重复,串联重复,纵列倍增,衔接重复,重复,重现;
串联重现;
串联重复;
