In 2017, the retail volume of mainland color TVs decreased by 6.6% annually. T......
Beijing morning news on April 26, as the White House tried to avoid a trad......
In recent years, with the introduction of the concept of Ping An China, the ro......
Do you want to reliably detect, record and locate metal targets? To help you find the right solutio......
The development of smart grids is an important measure to achieve green develo......
LED is known as the fourth-generation lighting s......
Simple realization of synchronous monitoring of conveyor belt production line ......
Since there is no adjustable power supply, it is......
Multimeters are mainly divided into analog multimeters and digital multimeter......
introduction The sector cone antenna is a short-wave broadband antenna with......
On September 19th, Mango TV and China Telecom Hunan, CCTV, and Huawei Tech......
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