标志层通常区域性地向盆地方向展布.Marker beds generally diverge basinward on a regional scale.这类区域性的地球化学测量显示出它的有效性.The potential of such a primary geochemical survey is demonstrated.戴维森 、 索姆和林克等论述了区域性铀富集的条件.The concept of regional uraniu...
marine and freshwater eukaryotic algae海洋和淡水真核藻Objective To construct eukaryotic expression vector of siRNA specific for � � - site APP cleaving enzyme ( BACE ).目的构建β淀粉样前体蛋白裂解酶 ( BACE ) 特异性小干扰RNA真核表达载体.That cell hybridiza...
可能推迟英吉利海峡隧道开通的问题一大筐。A host of problems may delay the opening of the Channel Tunnel.想要推迟午夜的最后期限是完全不可能的。It is totally out of the question to postpone the midnight deadline.因对程序问题的异议而提出了推迟要求并获得了通过。The postponement was deman...