The Subsystem is composed of Environment Parameter Gathering Front-end, Underground Detection Base, Ground Detection Center.

整个检测子系统主要由数据采集前端、井下检测台和地面检测中心三节点组成。

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There are a few drawbacks to the mouse-method though, as the release of vapor from mines can depend on conditions in the ground, leading to detection some meters from the actual device, or no detection at all.

ENGADGET: Alt-week 27.10.12: ancient texts, super-Earths and special-ops mice

The system includes ground surveillance radars, video cameras with motion detection and "smart" fencing, according to Raytheon's website.

CNN: STORY HIGHLIGHTS