On August 21, the Shenzhen Municipal Communications Commission held a public hearing on the parking fee adjustment plan for off-street parking lots. The parking adjustment fee is an administrative fee charged by Shenzhen to control traffic congestion. There are two charging schemes: .......
A few days ago, a serious traffic accident took place in Gansu kindergartens to transport children's vehicles, killing more than 20 people.......
The National Development and Reform Commission issued a notice on the 10th and issued the first batch of national natural gas distributed energy demonstration projects. The central.......
Balances are weighed on the principle of electromagnetic force or electromagnetic torque balance.
Two: Classification of electronic balances: According to the structure of the use of sensors can be d.......
Cabbage and cabbage (ie, cabbage) are vegetables that are in great demand in China. In this issue, experts are invited to talk about the fertilization techniques for these two vegetables and to answer questions raised by farmers in this regard.
Experts (Professor Wang Xin.......