Discovery of armored fish from the Middle Devonian 390 million years ago; progress in research on flexible thick-film organic solar cells; progress in calculation of three-dimensional depth reservoirs
You can enjoy a 10% government subsidy when purchasing green and energy-saving home appliances from JD Five Star Appliances, with a maximum subsidy of 5,000 yuan per household.
Pay attention to "Alzheimer's disease": The key to prevention and treatment has moved forward, and national key scientific research projects have been established in Nanjing
16 severe cases! Another hospital in Taizhou confirmed 21 cases and one person died! There has been a recent high incidence of heat stroke, so be wary of heat stroke