Objective : To study the feasibility of spermatogonial stem cell allotransplantation.目的: 研究同种生精干细胞移植的可行性.Limb allotransplantation is an important procedure for reconstruction of limb defects.同种异体肢体移植是解决肢体缺损的重要方法,本文阐述了该项技...
The author's intention is to keep everyone guessing until the bitter end...这位作家打算把悲惨结局的悬念一直保留到最后。Everyone is gibbering insanely, nerves frayed as showtime approaches...随着开演时间逼近，大家都紧张起来，慌里慌张地念着台词。Everyone has had the...
Punch card tabulating machine invented by Herman Hollerith. Wall Street Journal first published.赫尔曼.霍尔瑞斯发明穿孔卡片制表机. 《华尔街日报》首次发行.What time did Uncle Herman leave?霍曼叔叔什么时候走的?Herman had acted as if he were devoted to Yasha.赫...