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.
BBC Verify checked the speedboat's registration details provided by the Cuban embassy in the US (FL7726SH, Florida registered), but they yielded no ownership details or tracking history on any of the platforms the BBC relies on.，详情可参考雷电模拟器官方版本下载
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public char* Method;
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let view = new Uint8Array(buffer);