Electronic documents are easier to store, modify, and transfer than handwritten documents,

The currently used light sources mainly include: UHP lamps (super lamps), UHE lamps, and m

Class 0 luminaire Relies on basic insulation as a lamp to protect against electric shock.

The effective scanning frequency band is the general term of horizontal scanning frequency

The growing demand for energy in China has brought about increasing pressure for energy co

On August 6, a cable accident occurred at Luoshan Gold Mine, a mining company in Zhaoyuan

With the rapid development of mobile Internet, various viruses have also resorted to this

Smart grid technology will significantly increase energy efficiency, thereby reducing gree

1. Make a detailed record and recall the details of the guest's negotiation First of

LED lighting has been making rapid progress in the near future, and LED has been widely re

After more than 30 years of development in the lighting industry, some well-known lighting

(Reporter Jia Zhongshan) Yesterday, a "Super Bull" computer system chip debuted