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An unmanned helicopter, the largest of its kind in China, has successfully completed its first flight, Xinhua reported. The unmanned heli... -
Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī also known as Alfraganus in the West was a Persian astronomer and one of the f...
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Phone maker, Motorola has announced its new WiMax-based Photon 4G smartphone for Sprint network at a media event in New York. The Photon... -
Introductions: 1. the shiner is more powerful than LED,can solidify any material; 2. fast,solidify depth 3-4mm in 5~10 second; 3. microcompu...