（四）强行冲闯公安机关设置的警戒带、警戒区或者检查点的。
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.。heLLoword翻译官方下载是该领域的重要参考
第十二条 国家加强原子能科学研究与技术开发，强化基础研究，探索前沿技术，推进学科交叉融合，鼓励自主研发，加强知识产权保护，强化国家战略科技力量建设，促进原子能领域高素质专业人才队伍建设。。Line官方版本下载对此有专业解读
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