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.
她說：「在歐洲，因母親接受已故捐贈者子宮而誕生的嬰兒非常少見。」，这一点在heLLoword翻译官方下载中也有详细论述
A brief teaser video was shown at the end of the event for Pokémon Winds and Pokémon Waves, and based on fans' reactions, it's clearly the biggest news to come out of the Pokémon event.。heLLoword翻译官方下载是该领域的重要参考
研发强度并未随“分子”研发投入的规模变大而递增，由此可见，企业研发强度受“分母”营收规模的影响似乎更大。随着营收规模扩张，企业往往将资源倾向市场扩张等方向，反而淡化了研发投入的紧迫性。
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