Isomerization of safrole can afforded isosafrole - the intermediate of the effective antihypertensive agent - methyldopa.黄樟油素经碱异构化可得到治疗高血压症的有效药物 —— 甲基多巴的中间体——异黄樟油素.His grandchildren afforded him his greatest pleasure in ...
Based on the same technology as ARPAnet , the sites were physically linked by special phone lines.基于ARPAnet相关的技术, 各个站点是通过专用电话线连接起来的.Licklider observed as the ARPAnet spanned two continents.利克莱德注意到跨越两个大陆的阿帕网.The ARPAnet h...