Science and technology essay material excerpts, the answer is as follows:
Artificial Intelligence Assistants
Nowadays, artificial intelligence assistants are becoming more and more popular, and they are able to help us to complete a variety of tasks such as searching for information, booking trips, and making shopping suggestions. For example, one of China's AI assistants, "Xiao Ai Tongmate", has received a lot of attention. It can recognize human voice commands and help users control home devices, play music, check the weather and so on.
Second, 5G network coverage
In recent years, China has made remarkable achievements in the construction of 5G network, which has the characteristics of fast transmission speed, low latency, and a large number of connections, which will greatly change the way people communicate. In the future, 5G networks will also help the development of industrial Internet, intelligent medical care, driverless and other fields. With the continuous coverage of 5G networks, we can expect more unimagined technological applications.
Three, high-speed rail technology
China's high-speed rail technology has a high reputation in the world. High-speed rail is not only fast, but also safe and comfortable. China has built the longest high-speed rail network in the world, and high-speed rail has become the first choice for many people to travel. The continuous development of high-speed rail technology makes the distance between cities become closer and closer, and also provides more choices for people's traveling.
Four, vaccine research and development
In the context of the new crown epidemic, the research and development of vaccines has become the focus of global attention. China has made significant progress in vaccine research and development, and a variety of vaccines have been put into use, providing strong support for the global fight against the epidemic. The success of vaccine research and development highlights the improvement of China's scientific and technological strength, and also reflects the determination of mankind to overcome the epidemic.
V. Space exploration
In recent years, China has made a series of important achievements in the field of space exploration. From the backside landing of the Chang'e-4 lunar probe to the successful launch of the Tianwen-1 Mars probe, China's space exploration has gone further and further. The achievement of these results has not only improved China's position on the international stage, but also demonstrated its strength in scientific and technological innovation.
Sixth, green development
With the increasing awareness of environmental protection, green development has become the main theme of the times. New energy vehicles, clean energy, energy saving and emission reduction technologies have developed rapidly. Under the promotion of our government, the concept of green development has gradually taken root in people's hearts, and people's quality of life has been further improved.