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.
班德請她協助安排會面，其中包括摩洛哥活動大亨理查・阿蒂亞斯（Richard Attias）。他在達沃斯扮演連結全球精英的重要角色——後來也對「克林頓全球倡議」起了同樣作用。
Once mocked for being tacky, this Korean music genre is making a comeback，这一点在旺商聊官方下载中也有详细论述
return byteArray
，详情可参考同城约会
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Non-gated content, of course.，这一点在im钱包官方下载中也有详细论述