论文部分内容阅读
美国总统奥巴马在3月9日以激情飞扬的雄辩口才,在美国白宫宣布并签署了一项行政命令,取消了长期以来困扰干细胞研究人员的禁止使用联邦经费研
US President Barack Obama ebulliated eloquence on March 9 by proclaiming and signing an executive order in the White House in the United States to abolish the federal ban on federal funds that have long plagued stem cell researchers