CAD software system of supply and distribution projects is one of the most widely used of computer graphics technology and aided design technology in the field of electrical engineering. Related software systems at home and abroad for supply and distribution projects design exist widely exist widely independent of each other, not be intelligent integration and
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21st century is the age of information. The information-cored technique revolution not only brings with great productivity improvement, but also deeply affects every area of society. Traditional production methods, lifestyles and thinking logic have constantly been replaced by informationazed ones.These Changes of society, therefore, asks for new forms of space and communicating information. In the
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China’s Demand Side Management Study and Application of Technology began in the 20th century, around 90′s, faced with the situation of power shortage, much the power company has launched a load control system, substation system, meter system of customers, improve the management of real-time customer at the scene of the degree of wear and tear
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Recently, with the rapid development of wireless communication system, the mobile handset antenna should have good electronic characteristic and less affected by the nearby environment. So the antenna should be integrated designed.The internal antenna has become the mainstream in mobile phone antenna design. And planar inverted F antenna (PIFA) is one kind of internal antennas
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Modern distance education system according to the network make possible with modern network technique of continuously maturity and progress. Modern distance education system is a kind of new education method that the calculator technique, multi-media technique, network and modern educate a technique to combine together. Countryside party members and cadres of modern distance education system
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As a typical micro electro-mechanical device, miniature robot applied in micro- and nano-manipulation domain has the characteristics of compactable configuration, light mass, low energy consumption and high integration, etc. Besides, it can accomplish some detection and repairing micro-handling tasks in relative narrow working space in which traditional mechanical system cannot enter. So, it has wide
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There is an increasing demand for dynamic systems to become safer, more reliable and less polluting to the environment. These requirements extend beyond normally accepted safety-critical systems of nuclear reactors, chemical plants or aircraft, to new systems such as autonomous vehicles or fast rail systems. An effective way to improve the safety and dependability in
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