About the author
Yu Ying is an author with relatively limited publicly available information; her nationality, dates of birth and death, and specific background cannot currently be confirmed. Judging from the three works included in the database, Yu Ying's writing spans several distinct fields, ranging from medicine to transportation and logistics engineering: Vascular Surgery Disease Nursing and Rehabilitation addresses clinical nursing practice, while Transportation Engineering (2nd Edition) and Logistics Technical Equipment (2nd Edition) are engineering and logistics textbooks. These works are mainly textbooks or practical readings that emphasize the systematic organization and practical application of professional knowledge, with their common categories concentrated in medicine and examination-related areas. Because more verifiable personal information is lacking, no further details about her education, positions, or experience are provided here; readers may refer to the works above to understand the focus of her writing.