| 摘要 |
The alarm has a casing (1), which is connected by telemetry to a watchman system near a fault, an alarm (4,5), an LCD screen (2,14), a display controller (8), an antenna (13) and a power source (15). The device functions in a manner similar to a pager so that when a signal is transmitted by the local scientific service the screen displays the size of the shock on the Richter scale
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