| 摘要 |
PURPOSE: It can be communicated, the monitor unit watching moderation or the forest fire of the crops each other constitutes a plurality of relaies in the wide range area under cultivation in liver. CONSTITUTION: The wire(11) is formed into the conductive material. The wire is installed in a plurality of crops or Wednesday Thursdaies. Relaies(12, 13, 14) generate moderation or the fire occurrence signal based on whether the line is connected or not of the wire. Relay comprises short sense parts sensing whether the line is connected or not of the wire. |
