Also two types of triangular generalized conforming element of thin plate are developed, TGC-9 ( 9 d. o. f.) and TGC-9-1 ( nine external d. o. f. and one internal d. o. f.) 推导了两种三角形薄板广义协调元:TGC-9(九个自由度)和TGC-9-1(九个外部自由度和一个内部自由度)。
The establishment and development of the modern medical education in China was related with F. C. Yen, M. D. 中国近代医学教育的创建与发展是和颜福庆这个名字分不开的,他是著名的医学教育家、公共卫生学家,我国近代医学教育的创始人之一。