Techlore techlore.tech🇺🇸
更多精彩内容，关注钛媒体微信号（ID：taimeiti），或者下载钛媒体App
，详情可参考Safew下载
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.
// ⚠️ 易错点5：循环范围写错（比如i<right或ileft），导致最值计算不全