This Cold War-Era intrusion-detectionsystem was designed to blend in with the terrain and could detect movement of people, animals or objects up to 300 meters away.
这款冷战时期的侵入侦测系统旨在与周围环境融为一体，它能够探测300米之外的任何活动物体。
2
You know that Snort is an intrusiondetectionsystem, but how does it detect intrusion?
您知道 Snort 是一种入侵检测系统，但它是如何检测入侵的呢？
3
It's an intrusiondetectionsystem — not just a tool.