This book includes an introduction to digital twin, digital twin
technology, digital twin and industry 4.0, digital twin city,
application of digital twin in other aspects, case studies of digital
twin, challenges and development trends of digital twin technology, and
the digital economic production policy. It covers many important
technical points of digital twin, enumerates many cases to analyze the
theory, and puts forward innovative views in various areas. In reading
this book, the reader will gain a deep understanding of digital twin, an
entirely new discipline.