病毒一清除，就可以安全地重新连接互联网。
Once you have removed the virus it is safe to reconnect to the Internet.
如果连接到数据库的应用程序主要执行更新数据的事务，那么增加清除程序的数目会提高性能。
If the applications for a database consist primarily of transactions that update data, an increase in the number of cleaners will speed up performance.
一般情况下，重定向是有用的，因为它们通过清除网络连接中不必要的中间件提高了性能。
Normally redirects are useful, as they improve performance by cutting out unnecessary middlemen in network connections.
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