Chris BaraniukTechnology Reporter
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此次枪击事件已造成包括1名作案嫌疑人在内的16人死亡、40人受伤。这是自1996年塔斯马尼亚州亚瑟港枪击事件造成35人死亡以来，澳大利亚发生的最严重的大规模枪击事件。，这一点在一键获取谷歌浏览器下载中也有详细论述
There are two main types of smoke alarm tech, says Raman Chagger, principal consultant at BRE, the Building Research Establishment. Ionisation-based systems use a tiny amount of radioactive material to charge, or ionise, particles in the air which flow between two small plates. Should smoke interrupt that flow of charged particles, the alarm goes off.