- At present,Our country has entried a accelerating period of the urbanization.
- Accelerating noise was measured and analyzed for a passenger car, the inlet air noise of its engine has been found to be the main noise source during the car accelerating period.
- The transient process of zero-sequence current in single-phase reclosure and its effect on the accelerating period of zero-sequence current protection were analyzed.
- That period was a bright page in the history of Chinese literature.
- Let us hope that the period of this injustice will be over soon.