"From when you first wake up, you think, is today going to be the day we get that call?" he said.
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.
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空间魔术还延伸到了前方的二排座椅——坐垫长度达到了 495mm，这比很多紧凑型轿车都要长，保证了大腿的承托性。它还复刻了类似本田魔术座椅的「上翻」功能，把坐垫掀起来，后排瞬间变成一个巨大的储物空间，塞进一辆折叠自行车或者一盆高大的绿植都绰绰有余。
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Welcome to our guide to the commodities driving the global economy. Today, OPEC reporter Grant Smith discusses what’s in store at the group’s policy meeting this weekend.