Cheer every opponent, Google Glass PK Apple iWatch

On May 28th, Beijing time, foreign media recently published a comparison between Google Glass and the Apple iWatch smart watch that people speculated will be launched. The article points out that the difference between Google Glass and iWatch is not only in the locatio

How Lenovo will surpass Samsung in seven years

On the evening of May 16, Lenovo released the high-end flagship smartphone K900. Lenovo's senior vice president Liu Jun set a "warrant": it will surpass Samsung and Apple within two years.

Liu Jun called K900 a Lenovo breakthrough product, compara

How Lenovo will surpass Samsung in seven years

On the evening of May 16, Lenovo released the high-end flagship smartphone K900. Lenovo's senior vice president Liu Jun set a "warrant": it will surpass Samsung and Apple within two years.

Liu Jun called K900 a Lenovo breakthrough product, compara

Data communication test instrument

The data communication network includes many systems and related equipment, and may have digital transmission systems, packet switching, DDN, frame relay, ATM, Internet systems, public switched telephone networks, local telephone cables, and routers, gateways, bridges,

Analysis of the anti-interference problem of papermaking field bus

According to the definition of IEC1158 of the International Electrotechnical Commission, the digital, serial, and multipoint communication data bus between the field device installed in the manufacturing or process area and the dynamic control device in the control room is