Abstract: The continually increase in digitized information resour ces such as disc publications and on-line databases,w文摘:光盘出版物、联机数据库等数字化信息资源的不断增长,给图书馆的馆藏建设提出了新的任务.这就要求高校图书馆必须重新制定馆藏采购标准,适当加大数字化信息资源的投入比例,并在新的采购标准指导下,不断优化本地馆藏,充分利用计算机网络上的虚拟馆藏
M Idrees,S Khan,and S Riazuddin.Common genotypes of hepatitis B virus.J Coll Physicians Surg Pak,Jun 2004,14:344-7.董梅,张跃新.乙型肝炎病毒基因型分布及临床意义.中华肝脏病杂志2005,13(1):56-57.
Our factory is a professional Fireworks display material&equipment manufacturer.By using international advanced equipmen我厂是焰火器材的专业生产厂家,采用国际先进的技术、设备、所生产的产品在同行业中首屈一指。
The National heart Lung and Blood Institute working Group on Atrial fibrillation:Atrial fibrillation:current understandi霍勇,高炜,张励庭,等.冠状动脉心肌桥及临床意义.中国介入心脏病学杂志,1988,6:97-99.
Their dream homes will be warm in winter and coll in summer.推荐答案他们梦想中的家应该是冬暖夏凉的.