We recounted in detail how dense, cool molecular clouds condense into protostars . 我们十分详细地讨论了浓密的冷分子云如何凝聚成原恒星。
This must be transformed to the native sql date datatype 必须将其转化成原生sql日期数据类型。
The intime ' s ipo totaled 450 million shares , of which ninety percent was originally allotted for international offers 银泰百货的首次公募的股数为4 . 5亿股,其中九成原为国际配售。
Modified crylle and crylac gene were cloned into prokaryotic expression vector pet28b , to construct plasmid petie and petac 将这两个基因构建到原核表达载体pet28b中,构建成原核表达载体petac和petie 。
The top surface of the bearing bar are formed by a series of notches thus enhancing its nonslip characteritics . it is particularly suitable for use in slippery conditions such as oil refineries , tankers , stair ways etc 是由负载扁钢和横杆按一定间距经纬排列,在高压电阻焊机上焊接而成原板,经切割切口开孔包边等工序深加工而成客户要求的成品。