ObjectiveTo investigate the clinical characteristics and therapeutic results of malignant tumors of ceruminous external auditory canal.目的探讨外耳道耵聍腺源性恶性肿瘤的临床特征和治疗效果....
地衣是一类独特的生物有机体,其体内合成了多种特殊的次生代谢产物,主要为缩酚酸、缩酚酸环醚 、 缩酚酮、二苯并呋喃等类化合物.A lot of secondary metabolites such and were produced by lichens, a class of unique organisms....
Any two diameters of a circle intersect each other.圆周内两直径必相交.Idear for deburring and polishing inside diameters of pipe and tubing.理想的用于管、孔内壁的去毛刺、抛光和难以到达处的打磨抛光.This microscope magnifies 40 diameters.这台显微镜能放大40倍.The micro...
他对她十分敬畏；她令他着迷。He was in awe of her; she held him spellbound.她让我心生敬畏。She filled me with a sense of awe.充满敬畏的人群安静地聆听。The crowd listened in awed silence....