第二十七条 在法律、行政法规规定的国家考试中，有下列行为之一，扰乱考试秩序的，处违法所得一倍以上五倍以下罚款，没有违法所得或者违法所得不足一千元的，处一千元以上三千元以下罚款；情节较重的，处五日以上十五日以下拘留：
Optical-based smoke alarms use light instead. They are slightly better at detecting the large smoke particles created by slow, smouldering fires. When such particles enter a chamber in the device, they scatter light from a small light source, which is then picked up by a photoelectric sensor.，详情可参考旺商聊官方下载
，详情可参考Line官方版本下载
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