The building of these giant iron and steel works will greatly accelerate the development of the iron and steel industry of China.
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Charles Darwin’s theory of evolution, proposed over one hundred years ago and accepted by all serious scholars for generations, is still rejected by many people.
Residential building windows in particular account for 10–25% of the heat loss due to their poor thermal management capability
The SD-03 is the world's smallest electric vertical takeoff and landing vehicle and takes up the space of about two parked cars. It has eight motors to ensure safety in emergency situations
构建国家安全法律制度体系取得重要进展。
A. We made Major progress in developing the system ofnational security laws.
B. Major progress was made in developing the system ofnational security laws.
C. Major progresses were made in developing the system ofnational security laws.