他们还应定期检查电脑记录以发现可能是黑客形迹异常活动。
They should also check their computer records regularly to spot any abnormal activity, which might betray the presence of a hacker.
其中，季风槽的异常偏西及在盛夏的异常偏北对TC的异常活动产生了主要影响。
And in which the anomalous westward and northward movements of monsoon trough in midsummer exerted a main effect on the TC anomalous activities.
晕车、晕船、晕机及航天运动病都是由于前庭系统的异常活动导致内脏功能的紊乱造成的。
Car sickness, nausea, airsickness and space motion sickness are due to the vestibular system abnormality activity leading the disorder of visceral function.
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