网络蠕虫的传播不仅可以占用被感染主机的大部分系统资源，对目标系统造成破坏，同时，还会抢占网络带宽，造成网络严重堵塞，甚至整个网络瘫痪。
Network worms can not only exhaust system resources of infected hosts and damage them, but also occupy network bandwidth and thus jam network, even disrupt whole network.
观测网络扩大到实际覆盖的整个地球，测量范围则扩大到涵盖所有传统的、甚至某些非传统的环境参数。
Observational networks were extended to cover practically the entire globe and measurements were expanded to include all traditional and even some non-traditional environmental parameters.
当系统定期崩溃或是一种病毒劫持了网络，你别无选择：你需要升级整个系统，也许甚至要从下到上重写代码。
When the system crashes regularly or a virus hijacks the network, there's no easy alternative: you need to upgrade the whole system, maybe even rewrite the code from the bottom up.
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