To combine audit trail with pre-alert to intrusion detection is very helpful for security monitoring.

因此，将审计跟踪与实时预警结合起来，实现实时的入侵检测是非常有意义的。

youdao

Although carried out on small numbers of women, the researchers say the test is highly accurate for predicting pre-eclampsia and could alert doctors early to the problem.

BBC: Pregnant woman

The board voted to send a Safety Alert to pilots warning them about the hazards of texting during the planning and pre-flight stages.

CNN: Pilot texting a factor in deadly copter crash