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With the development of the ship industry, the power quality of the ship power system is getting worse and worse. More scholars turn to the detection and improvement of the power system. However, most of the current research focuses on the study of the whole power system, few people pay attention to the source of the power quality problem. The nonlinear load is one of the most important factors to affect the quality of the ship's power. This paper does some study on the power quality of the frequency conversion system introduces the harm caused by the electric power quality of the frequency...

This book reflects the great changes in terms of real estate sales, purchases, finance and policies from planned economy to market economy in China. Real estate system has always been a great concern to the public for its irreplaceable role in people’s lives and various daily affairs, as well as in the development of the whole economy, especially in China’s context. The unique perspective of this book lies in the significant role that the Chinese government plays in real estate system. This book aims to help readers to understand China’s real estate system comprehensively.

This book reflects the great changes in terms of real estate sales, purchases, finance and policies from planned economy to market economy in China. Real estate system has always been a great concern to the public for its irreplaceable role in people’s lives and various daily affairs, as well as in the development of the whole economy, especially in China’s context. The unique perspective of this book lies in the significant role that the Chinese government plays in real estate system. This book aims to help readers to understand China’s real estate system comprehensively.