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Bluetooth - Wikipedia, the free encyclopedia

Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485 GHz[3]) from fixed and mobile devices, and building personal area networks (PANs). Invented by t...

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isCar! 某日大華開車上高速公路,快到高速公路出口時,前方車輛駕駛A因要下高速公路,打方向燈要切入旁邊車道,大華慢慢減速讓A先行;這時,後方車輛駕駛小明因為沒有注意到大華車輛開始減速,等驚覺時已經來不及剎車,而從大華車輛車尾猛力的撞擊,大華的車輛在撞擊A的車尾,造成A的車輛車尾毀損,小...

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