为了使报警装置的设置更加灵活，可以应付具有复杂边界的区域，使用泄漏同轴电缆代替天线作为感应器件。
It employs the leaky coaxial cable to replace the antenna. The sensor can make the installation's setup more agility, and it can cope with the area, which have the complex boundary.
为了使报警装置的设置更加灵活，可以应付具有复杂边界的区域，使用泄漏同轴电缆代替天线作为感应器件。
It employs the leaky coaxial cable to replace the antenna. The sensor can make the installation's setup more agility, and it can cope with the area, which have the complex boundary.
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