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A stream with the threat, media reports said that the current domestic pandemic influenza virus, nearly 80% of influenza A H1N1 influenza virus, which makes the weekend more and more people are choosing home after work and at home , then choose to buy something online shopping, home delivery, to reduce the risk of outside […]
: Means the conversion between electric and acoustic devices, it is the use of electromagnetic induction, electrostatic induction or piezoelectric effects, etc. to complete the electro-acoustic conversion, including speakers, headphones, microphone, singing top. Electro-acoustic devices (Electroacousticdevice): means the conversion between electric and acoustic devices, it is the use of electromagnetic induction, electrostatic induction, or the […]
5 7, China Mobile announced in Beijing " Mobile Read the "business formal commercial market, and that is well read the phone business" for three years does not make money "plan, will be subsidizing the costs related to data traffic. So much of the promotion efforts will undoubtedly accelerate the era of popular reading . […]
In mainland China, there are more than 2,000 speakers manufacturers, of which about 500 are well-known large manufacturers. The domestic industry, like a pyramid speakers, 80% of the factories concentrated in low-end products, nearly 20% of the manufacturers to provide mid-range products, only a small number of the company’s products into the high-end market. Product […]
As the university Information Advance of application of card more widely, in the process of building card is inevitable and digital campus to achieve the integration of other applications. Comprehensive view of the construction of the University of card process, this integration is primarily faced with two situations: digital campus digital campus has not yet […]
