
First, system overview
The Federal Data Exchange System is mainly used for distributed data exchange in wide area networks, metropolitan area networks, and e-government networks. Applicable to data aggregation, data distribution, data exchange and sharing applications. Each la…



Jufei Optoelectronics announced on June 6 that the company's largest tradable shareholder, Shenzhen Changfei Investment Co., Ltd. once again reduced its shareholding.
According to the announcement, Changfei Investment reduced its holdings…
According to the announcement, Changfei Investment reduced its holdings…
Usually, people are easily anxious in the hospital. We know that light is instructive and psychologically suggestive. In the hospital, in addition to the basic lighting, can the light use the characteristics of light, relax the patient's mood, improve the efficiency of the medical staff, an…



Lead: At present, chip decryption is mainly used in PCB copy board. In addition to the simple concept of board copying, PCB copy board also includes the decryption of some encryption chips on the board. With the strengthening of patent concepts and kno…
The "All-digital LED lighting control key technology and product development" project undertaken by the Semiconductor Industrial Engineering Research and Development Center of Tianjin Polytechnic University passed the expert acceptance and the technical level is leading domestically. …