Фото: Мария Девахина / РИА Новости
Фото: Jonathan Ernst / Reuters
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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.
。关于这个话题，heLLoword翻译官方下载提供了深入分析
// Speaker 0: [0.56s - 2.96s]，更多细节参见搜狗输入法2026
虽然 S26 Ultra 的隐私屏幕技术脱胎于 2024 年演示的 Flex Magic Pixel 方案，但三星从 2020 年就已经开始提交各种有关屏幕防窥的专利，原理都围绕光束整形（Beam Shaping）及像素级视角控制。