There 'd been 70 attempted hijacks between august and november , compared to 30 for the previous year .

八月和十月期间就发生了70起劫持未遂事件，前年才发生了30起。

This enables the more organised pirate groups to study their targets in advance , even spending several days training teams for specific hijacks .

这让更多有组织的海盗团伙得以事先研究他们的目标，甚至为了特定的劫持行动花上几天时间训练队伍。

This runs contrary to porn addiction claims , that porn hijacks our brains and disrupts our ability to be intimate with real life partners .

这有悖于色情成瘾的理论：色情资料会劫持大脑，破坏我们与现实生活伴侣的的亲密能力。

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 .

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 it finds one , it hijacks the silent " packets " , as the individual chunks of data sent across the network are called , and replaces their contents with the hidden message .

一旦找到机会，它将劫持沉默状态下的“数据包”，即通常所说的经网络发送的单个数据分组，并把它们的内容替换成隐秘的消息。