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...
In geochemical analysis we encounter ranges of analyte concentration that can span several orders of magnitude.在地球化学分析中,我们常常会遇到拟分析元素含量范围可以跨越好几个数量级的情况.The difficulties women encounter with their doctors partly explain why...
1941年，火车本可以由蒸汽机车拉动。In 1941, the train would have been pulled by a steam engine.机车建筑有限公司是该托拉斯的全资子公司。The Locomotive Construction Company Ltd is a wholly-owned subsidiary of the Trust.我将坐在机车后面的第三节车厢内.I'll be sitting in...