内核更新影响很大，需要安排停机时间，在停机期间会临时终止受影响的每个系统上的所有服务。
A kernel update is very disruptive, requiring scheduled downtime to temporarily halt all services on each and every machine affected.
有些公司的GPS产品可以自我更新，TomTom的智能路程软件系统可以把本公司每个客户的信息搜集起来，然后重新调整，因而得出你应该使用的路径和此路径所需要的时间。
TomTom's IQ Routes software takes data from every person who uses the company' gadgets and readjusts its assumptions about which roads you should use and how long a given route will take.
检测病毒库更新情况，最后一次杀毒的时间，系统需要修复的项；
Detect virus library replaces a situation, reduce poisonous time for the last time, a scanning of;
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