他是他们的顾问、密友和倾听者。He was their adviser, confidant and father confessor.言者谆谆,听者藐藐.The words were earnest but they fell on deaf ears.她的声音使听者悚然.Her voice thrilled the listeners....
目的: 探讨支撑喉镜喉显微外科手术与麻醉的关系.Objective : To investigate the relationship between microlaryngoscopic surgery and anesthesia.以直达式喉镜发现声门狭窄与广泛性溃疡坏死组识.Direct laryngoscopy revealed narrowing of the glottis with diffuse ulcerative n...
The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.作者证实:单叶双曲面和双曲抛物面是直线曲面.Two fdmilies Of characteristic lines in the hyperbolic region are not orthogonal.在双曲型区域两族特征线互不正交.F...