建国前后,有一大批海外和港澳的莘莘学子,衷心向往祖国,不惜告别家庭,长途跋涉回内地求学。他们学成后又自愿留下来在各条战线上埋头工作,辛勤劳动,虽历经磨难,但不坠报国之志,为祖国的社会主义建设事业作出了贡献。现任西安交通大学理论力学教研室教授杨延(?)同志便是其中之一。 (一) 杨延(?)出生于香港,青年时期因不愿接 Before and after the founding of the PRC, a large number of overseas students and students in Hong Kong and Macao, sincerely looking forward to their motherland, did not hesitate to say goodbye to families and traveled long distances to study in the Mainland. After they completed their studies, they voluntarily left behind to work hard on all fronts and worked hard. Although they had suffered hardships, they did not fall for the country’s cause and made their contribution to the cause of socialist construction in the motherland. The current Xi’an Jiaotong University Professor of Theoretical Mechanics Yang Yan (?) Comrade is one of them. (A) Yang Yan (?) Was born in Hong Kong, youth unwilling to pick