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.
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作为每年的定番,三星再一次对机器的外观设计进行了一些微调,最大改变就是取消了镜头外围的 CD 纹金属环,换成了与 Z Fold7 类似的「中岛」凸起:
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